20604856

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{151}}^1\times {\mathrm{461}}^1$

素因数の和:655

約数の個数: 32

約数和(自身を含む): 40027680

約数和(自身を除く): 19422824

約数列:

[1, 2, 4, 8, 37, 74, 148, 151, 296, 302, 461, 604, 922, 1208, 1844, 3688, 5587, 11174, 17057, 22348, 34114, 44696, 68228, 69611, 136456, 139222, 278444, 556888, 2575607, 5151214, 10302428, 20604856]

約数ペア:

[(1, 20604856), (2, 10302428), (4, 5151214), (8, 2575607), (37, 556888), (74, 278444), (148, 139222), (151, 136456), (296, 69611), (302, 68228), (461, 44696), (604, 34114), (922, 22348), (1208, 17057), (1844, 11174), (3688, 5587)]