20155492904

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{3121}}^1\times {\mathrm{42487}}^1$

素因数の和:45633

約数の個数: 32

約数和(自身を含む): 39794260800

約数和(自身を除く): 19638767896

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 3121, 6242, 12484, 24968, 42487, 59299, 84974, 118598, 169948, 237196, 339896, 474392, 807253, 1614506, 3229012, 6458024, 132601927, 265203854, 530407708, 1060815416, 2519436613, 5038873226, 10077746452, 20155492904]

約数ペア:

[(1, 20155492904), (2, 10077746452), (4, 5038873226), (8, 2519436613), (19, 1060815416), (38, 530407708), (76, 265203854), (152, 132601927), (3121, 6458024), (6242, 3229012), (12484, 1614506), (24968, 807253), (42487, 474392), (59299, 339896), (84974, 237196), (118598, 169948)]