20382856

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{5297}}^1$

素因数の和:5353

約数の個数: 32

約数和(自身を含む): 42278040

約数和(自身を除く): 21895184

約数列:

[1, 2, 4, 8, 13, 26, 37, 52, 74, 104, 148, 296, 481, 962, 1924, 3848, 5297, 10594, 21188, 42376, 68861, 137722, 195989, 275444, 391978, 550888, 783956, 1567912, 2547857, 5095714, 10191428, 20382856]

約数ペア:

[(1, 20382856), (2, 10191428), (4, 5095714), (8, 2547857), (13, 1567912), (26, 783956), (37, 550888), (52, 391978), (74, 275444), (104, 195989), (148, 137722), (296, 68861), (481, 42376), (962, 21188), (1924, 10594), (3848, 5297)]