20970295920

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{36821}}^1$

素因数の和:36960

約数の個数: 240

約数和(自身を含む): 81200463552

約数和(自身を除く): 60230167632

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 113, 120, 126, 140, 144, 168, 180, 210, 226, 240, 252, 280, 315, 336, 339, 360, 420, 452, 504, 560, 565, 630, 678, 720, 791, 840, 904, 1008, 1017, 1130, 1260, 1356, 1582, 1680, 1695, 1808, 2034, 2260, 2373, 2520, 2712, 3164, 3390, 3955, 4068, 4520, 4746, 5040, 5085, 5424, 6328, 6780, 7119, 7910, 8136, 9040, 9492, 10170, 11865, 12656, 13560, 14238, 15820, 16272, 18984, 20340, 23730, 27120, 28476, 31640, 35595, 36821, 37968, 40680, 47460, 56952, 63280, 71190, 73642, 81360, 94920, 110463, 113904, 142380, 147284, 184105, 189840, 220926, 257747, 284760, 294568, 331389, 368210, 441852, 515494, 552315, 569520, 589136, 662778, 736420, 773241, 883704, 1030988, 1104630, 1288735, 1325556, 1472840, 1546482, 1656945, 1767408, 2061976, 2209260, 2319723, 2577470, 2651112, 2945680, 3092964, 3313890, 3866205, 4123952, 4160773, 4418520, 4639446, 5154940, 5302224, 6185928, 6627780, 7732410, 8321546, 8837040, 9278892, 10309880, 11598615, 12371856, 12482319, 13255560, 15464820, 16643092, 18557784, 20619760, 20803865, 23197230, 24964638, 26511120, 29125411, 30929640, 33286184, 37115568, 37446957, 41607730, 46394460, 49929276, 58250822, 61859280, 62411595, 66572368, 74893914, 83215460, 87376233, 92788920, 99858552, 116501644, 124823190, 145627055, 149787828, 166430920, 174752466, 185577840, 187234785, 199717104, 233003288, 249646380, 262128699, 291254110, 299575656, 332861840, 349504932, 374469570, 436881165, 466006576, 499292760, 524257398, 582508220, 599151312, 699009864, 748939140, 873762330, 998585520, 1048514796, 1165016440, 1310643495, 1398019728, 1497878280, 1747524660, 2097029592, 2330032880, 2621286990, 2995756560, 3495049320, 4194059184, 5242573980, 6990098640, 10485147960, 20970295920]

約数ペア:

[(1, 20970295920), (2, 10485147960), (3, 6990098640), (4, 5242573980), (5, 4194059184), (6, 3495049320), (7, 2995756560), (8, 2621286990), (9, 2330032880), (10, 2097029592), (12, 1747524660), (14, 1497878280), (15, 1398019728), (16, 1310643495), (18, 1165016440), (20, 1048514796), (21, 998585520), (24, 873762330), (28, 748939140), (30, 699009864), (35, 599151312), (36, 582508220), (40, 524257398), (42, 499292760), (45, 466006576), (48, 436881165), (56, 374469570), (60, 349504932), (63, 332861840), (70, 299575656), (72, 291254110), (80, 262128699), (84, 249646380), (90, 233003288), (105, 199717104), (112, 187234785), (113, 185577840), (120, 174752466), (126, 166430920), (140, 149787828), (144, 145627055), (168, 124823190), (180, 116501644), (210, 99858552), (226, 92788920), (240, 87376233), (252, 83215460), (280, 74893914), (315, 66572368), (336, 62411595), (339, 61859280), (360, 58250822), (420, 49929276), (452, 46394460), (504, 41607730), (560, 37446957), (565, 37115568), (630, 33286184), (678, 30929640), (720, 29125411), (791, 26511120), (840, 24964638), (904, 23197230), (1008, 20803865), (1017, 20619760), (1130, 18557784), (1260, 16643092), (1356, 15464820), (1582, 13255560), (1680, 12482319), (1695, 12371856), (1808, 11598615), (2034, 10309880), (2260, 9278892), (2373, 8837040), (2520, 8321546), (2712, 7732410), (3164, 6627780), (3390, 6185928), (3955, 5302224), (4068, 5154940), (4520, 4639446), (4746, 4418520), (5040, 4160773), (5085, 4123952), (5424, 3866205), (6328, 3313890), (6780, 3092964), (7119, 2945680), (7910, 2651112), (8136, 2577470), (9040, 2319723), (9492, 2209260), (10170, 2061976), (11865, 1767408), (12656, 1656945), (13560, 1546482), (14238, 1472840), (15820, 1325556), (16272, 1288735), (18984, 1104630), (20340, 1030988), (23730, 883704), (27120, 773241), (28476, 736420), (31640, 662778), (35595, 589136), (36821, 569520), (37968, 552315), (40680, 515494), (47460, 441852), (56952, 368210), (63280, 331389), (71190, 294568), (73642, 284760), (81360, 257747), (94920, 220926), (110463, 189840), (113904, 184105), (142380, 147284)]