20217316504

素因数分解:

$2^3\times 7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{389}}^1\times {\mathrm{709}}^1$

素因数の和:1146

約数の個数: 192

約数和(自身を含む): 51137892000

約数和(自身を除く): 30920575496

約数列:

[1, 2, 4, 7, 8, 11, 14, 17, 22, 28, 34, 44, 49, 56, 68, 77, 88, 98, 119, 136, 154, 187, 196, 238, 308, 374, 389, 392, 476, 539, 616, 709, 748, 778, 833, 952, 1078, 1309, 1418, 1496, 1556, 1666, 2156, 2618, 2723, 2836, 3112, 3332, 4279, 4312, 4963, 5236, 5446, 5672, 6613, 6664, 7799, 8558, 9163, 9926, 10472, 10892, 12053, 13226, 15598, 17116, 18326, 19061, 19852, 21784, 24106, 26452, 29953, 31196, 34232, 34741, 36652, 38122, 39704, 46291, 48212, 52904, 54593, 59906, 62392, 69482, 72743, 73304, 76244, 84371, 92582, 96424, 109186, 119812, 132583, 138964, 145486, 152488, 168742, 185164, 209671, 218372, 239624, 265166, 275801, 277928, 290972, 324037, 337484, 370328, 382151, 419342, 436744, 509201, 530332, 551602, 581944, 590597, 648074, 674968, 764302, 838684, 928081, 1018402, 1060664, 1103204, 1181194, 1296148, 1528604, 1677368, 1856162, 1930607, 2036804, 2206408, 2362388, 2592296, 3033811, 3057208, 3564407, 3712324, 3861214, 4073608, 4688617, 4724776, 6067622, 6496567, 7128814, 7424648, 7722428, 9377234, 12135244, 12993134, 13514249, 14257628, 15444856, 18754468, 21236677, 24270488, 25986268, 27028498, 28515256, 32820319, 37508936, 42473354, 51574787, 51972536, 54056996, 65640638, 84946708, 103149574, 108113992, 131281276, 148656739, 169893416, 206299148, 229742233, 262562552, 297313478, 361023509, 412598296, 459484466, 594626956, 722047018, 918968932, 1189253912, 1444094036, 1837937864, 2527164563, 2888188072, 5054329126, 10108658252, 20217316504]

約数ペア:

[(1, 20217316504), (2, 10108658252), (4, 5054329126), (7, 2888188072), (8, 2527164563), (11, 1837937864), (14, 1444094036), (17, 1189253912), (22, 918968932), (28, 722047018), (34, 594626956), (44, 459484466), (49, 412598296), (56, 361023509), (68, 297313478), (77, 262562552), (88, 229742233), (98, 206299148), (119, 169893416), (136, 148656739), (154, 131281276), (187, 108113992), (196, 103149574), (238, 84946708), (308, 65640638), (374, 54056996), (389, 51972536), (392, 51574787), (476, 42473354), (539, 37508936), (616, 32820319), (709, 28515256), (748, 27028498), (778, 25986268), (833, 24270488), (952, 21236677), (1078, 18754468), (1309, 15444856), (1418, 14257628), (1496, 13514249), (1556, 12993134), (1666, 12135244), (2156, 9377234), (2618, 7722428), (2723, 7424648), (2836, 7128814), (3112, 6496567), (3332, 6067622), (4279, 4724776), (4312, 4688617), (4963, 4073608), (5236, 3861214), (5446, 3712324), (5672, 3564407), (6613, 3057208), (6664, 3033811), (7799, 2592296), (8558, 2362388), (9163, 2206408), (9926, 2036804), (10472, 1930607), (10892, 1856162), (12053, 1677368), (13226, 1528604), (15598, 1296148), (17116, 1181194), (18326, 1103204), (19061, 1060664), (19852, 1018402), (21784, 928081), (24106, 838684), (26452, 764302), (29953, 674968), (31196, 648074), (34232, 590597), (34741, 581944), (36652, 551602), (38122, 530332), (39704, 509201), (46291, 436744), (48212, 419342), (52904, 382151), (54593, 370328), (59906, 337484), (62392, 324037), (69482, 290972), (72743, 277928), (73304, 275801), (76244, 265166), (84371, 239624), (92582, 218372), (96424, 209671), (109186, 185164), (119812, 168742), (132583, 152488), (138964, 145486)]