20794933720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1\times {\mathrm{317}}^1$

素因数の和:518

約数の個数: 256

約数和(自身を含む): 54524534400

約数和(自身を除く): 33729600680

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 29, 40, 44, 53, 55, 58, 88, 97, 106, 110, 116, 145, 194, 212, 220, 232, 265, 290, 317, 319, 388, 424, 440, 485, 530, 580, 583, 634, 638, 776, 970, 1060, 1067, 1160, 1166, 1268, 1276, 1537, 1585, 1595, 1940, 2120, 2134, 2332, 2536, 2552, 2813, 2915, 3074, 3170, 3190, 3487, 3880, 4268, 4664, 5141, 5335, 5626, 5830, 6148, 6340, 6380, 6974, 7685, 8536, 9193, 10282, 10670, 11252, 11660, 12296, 12680, 12760, 13948, 14065, 15370, 16801, 16907, 17435, 18386, 20564, 21340, 22504, 23320, 25705, 27896, 28130, 30740, 30749, 30943, 33602, 33814, 34870, 36772, 41128, 42680, 45965, 51410, 56260, 56551, 61480, 61498, 61886, 67204, 67628, 69740, 73544, 84005, 84535, 91930, 101123, 102820, 112520, 113102, 122996, 123772, 134408, 135256, 139480, 149089, 153745, 154715, 168010, 169070, 183860, 184811, 202246, 205640, 226204, 245992, 247544, 282755, 298178, 307490, 309430, 336020, 338140, 338239, 367720, 369622, 404492, 452408, 487229, 505615, 565510, 596356, 614980, 618860, 672040, 676280, 676478, 739244, 745445, 808984, 891721, 924055, 974458, 1011230, 1131020, 1192712, 1229960, 1237720, 1352956, 1478488, 1490890, 1629697, 1639979, 1691195, 1783442, 1848110, 1948916, 2022460, 2262040, 2436145, 2705912, 2981780, 3259394, 3279958, 3382390, 3566884, 3696220, 3897832, 4044920, 4458605, 4872290, 5359519, 5963560, 6518788, 6559916, 6764780, 7133768, 7392440, 8148485, 8199895, 8917210, 9744580, 9808931, 10719038, 13037576, 13119832, 13529560, 16296970, 16399790, 17834420, 17926667, 19489160, 19617862, 21438076, 26797595, 32593940, 32799580, 35668840, 35853334, 39235724, 42876152, 47261213, 49044655, 53595190, 65187880, 65599160, 71706668, 78471448, 89633335, 94522426, 98089310, 107190380, 143413336, 179266670, 189044852, 196178620, 214380760, 236306065, 358533340, 378089704, 392357240, 472612130, 519873343, 717066680, 945224260, 1039746686, 1890448520, 2079493372, 2599366715, 4158986744, 5198733430, 10397466860, 20794933720]

約数ペア:

[(1, 20794933720), (2, 10397466860), (4, 5198733430), (5, 4158986744), (8, 2599366715), (10, 2079493372), (11, 1890448520), (20, 1039746686), (22, 945224260), (29, 717066680), (40, 519873343), (44, 472612130), (53, 392357240), (55, 378089704), (58, 358533340), (88, 236306065), (97, 214380760), (106, 196178620), (110, 189044852), (116, 179266670), (145, 143413336), (194, 107190380), (212, 98089310), (220, 94522426), (232, 89633335), (265, 78471448), (290, 71706668), (317, 65599160), (319, 65187880), (388, 53595190), (424, 49044655), (440, 47261213), (485, 42876152), (530, 39235724), (580, 35853334), (583, 35668840), (634, 32799580), (638, 32593940), (776, 26797595), (970, 21438076), (1060, 19617862), (1067, 19489160), (1160, 17926667), (1166, 17834420), (1268, 16399790), (1276, 16296970), (1537, 13529560), (1585, 13119832), (1595, 13037576), (1940, 10719038), (2120, 9808931), (2134, 9744580), (2332, 8917210), (2536, 8199895), (2552, 8148485), (2813, 7392440), (2915, 7133768), (3074, 6764780), (3170, 6559916), (3190, 6518788), (3487, 5963560), (3880, 5359519), (4268, 4872290), (4664, 4458605), (5141, 4044920), (5335, 3897832), (5626, 3696220), (5830, 3566884), (6148, 3382390), (6340, 3279958), (6380, 3259394), (6974, 2981780), (7685, 2705912), (8536, 2436145), (9193, 2262040), (10282, 2022460), (10670, 1948916), (11252, 1848110), (11660, 1783442), (12296, 1691195), (12680, 1639979), (12760, 1629697), (13948, 1490890), (14065, 1478488), (15370, 1352956), (16801, 1237720), (16907, 1229960), (17435, 1192712), (18386, 1131020), (20564, 1011230), (21340, 974458), (22504, 924055), (23320, 891721), (25705, 808984), (27896, 745445), (28130, 739244), (30740, 676478), (30749, 676280), (30943, 672040), (33602, 618860), (33814, 614980), (34870, 596356), (36772, 565510), (41128, 505615), (42680, 487229), (45965, 452408), (51410, 404492), (56260, 369622), (56551, 367720), (61480, 338239), (61498, 338140), (61886, 336020), (67204, 309430), (67628, 307490), (69740, 298178), (73544, 282755), (84005, 247544), (84535, 245992), (91930, 226204), (101123, 205640), (102820, 202246), (112520, 184811), (113102, 183860), (122996, 169070), (123772, 168010), (134408, 154715), (135256, 153745), (139480, 149089)]