20187690

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{331}}^1$

素因数の和:467

約数の個数: 64

約数和(自身を含む): 51632640

約数和(自身を除く): 31444950

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 57, 95, 107, 114, 190, 214, 285, 321, 331, 535, 570, 642, 662, 993, 1070, 1605, 1655, 1986, 2033, 3210, 3310, 4066, 4965, 6099, 6289, 9930, 10165, 12198, 12578, 18867, 20330, 30495, 31445, 35417, 37734, 60990, 62890, 70834, 94335, 106251, 177085, 188670, 212502, 354170, 531255, 672923, 1062510, 1345846, 2018769, 3364615, 4037538, 6729230, 10093845, 20187690]

約数ペア:

[(1, 20187690), (2, 10093845), (3, 6729230), (5, 4037538), (6, 3364615), (10, 2018769), (15, 1345846), (19, 1062510), (30, 672923), (38, 531255), (57, 354170), (95, 212502), (107, 188670), (114, 177085), (190, 106251), (214, 94335), (285, 70834), (321, 62890), (331, 60990), (535, 37734), (570, 35417), (642, 31445), (662, 30495), (993, 20330), (1070, 18867), (1605, 12578), (1655, 12198), (1986, 10165), (2033, 9930), (3210, 6289), (3310, 6099), (4066, 4965)]