20177490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{9473}}^1$

素因数の和:9554

約数の個数: 32

約数和(自身を含む): 49113216

約数和(自身を除く): 28935726

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 71, 142, 213, 355, 426, 710, 1065, 2130, 9473, 18946, 28419, 47365, 56838, 94730, 142095, 284190, 672583, 1345166, 2017749, 3362915, 4035498, 6725830, 10088745, 20177490]

約数ペア:

[(1, 20177490), (2, 10088745), (3, 6725830), (5, 4035498), (6, 3362915), (10, 2017749), (15, 1345166), (30, 672583), (71, 284190), (142, 142095), (213, 94730), (355, 56838), (426, 47365), (710, 28419), (1065, 18946), (2130, 9473)]