20172969424

素因数分解:

$2^4\times {\mathrm{59}}^1\times {\mathrm{137}}^1\times {\mathrm{151}}^1\times {\mathrm{1033}}^1$

素因数の和:1388

約数の個数: 80

約数和(自身を含む): 40341882240

約数和(自身を除く): 20168912816

約数列:

[1, 2, 4, 8, 16, 59, 118, 137, 151, 236, 274, 302, 472, 548, 604, 944, 1033, 1096, 1208, 2066, 2192, 2416, 4132, 8083, 8264, 8909, 16166, 16528, 17818, 20687, 32332, 35636, 41374, 60947, 64664, 71272, 82748, 121894, 129328, 141521, 142544, 155983, 165496, 243788, 283042, 311966, 330992, 487576, 566084, 623932, 975152, 1132168, 1220533, 1247864, 2264336, 2441066, 2495728, 4882132, 8349739, 9202997, 9764264, 16699478, 18405994, 19528528, 21369671, 33398956, 36811988, 42739342, 66797912, 73623976, 85478684, 133595824, 147247952, 170957368, 341914736, 1260810589, 2521621178, 5043242356, 10086484712, 20172969424]

約数ペア:

[(1, 20172969424), (2, 10086484712), (4, 5043242356), (8, 2521621178), (16, 1260810589), (59, 341914736), (118, 170957368), (137, 147247952), (151, 133595824), (236, 85478684), (274, 73623976), (302, 66797912), (472, 42739342), (548, 36811988), (604, 33398956), (944, 21369671), (1033, 19528528), (1096, 18405994), (1208, 16699478), (2066, 9764264), (2192, 9202997), (2416, 8349739), (4132, 4882132), (8083, 2495728), (8264, 2441066), (8909, 2264336), (16166, 1247864), (16528, 1220533), (17818, 1132168), (20687, 975152), (32332, 623932), (35636, 566084), (41374, 487576), (60947, 330992), (64664, 311966), (71272, 283042), (82748, 243788), (121894, 165496), (129328, 155983), (141521, 142544)]