20487696

素因数分解:

$2^4\times 3^1\times {\mathrm{349}}^1\times {\mathrm{1223}}^1$

素因数の和:1583

約数の個数: 40

約数和(自身を含む): 53121600

約数和(自身を除く): 32633904

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 349, 698, 1047, 1223, 1396, 2094, 2446, 2792, 3669, 4188, 4892, 5584, 7338, 8376, 9784, 14676, 16752, 19568, 29352, 58704, 426827, 853654, 1280481, 1707308, 2560962, 3414616, 5121924, 6829232, 10243848, 20487696]

約数ペア:

[(1, 20487696), (2, 10243848), (3, 6829232), (4, 5121924), (6, 3414616), (8, 2560962), (12, 1707308), (16, 1280481), (24, 853654), (48, 426827), (349, 58704), (698, 29352), (1047, 19568), (1223, 16752), (1396, 14676), (2094, 9784), (2446, 8376), (2792, 7338), (3669, 5584), (4188, 4892)]