20035855

素因数分解:

$5^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{1543}}^1$

素因数の和:1615

約数の個数: 24

約数和(自身を含む): 28514592

約数和(自身を除く): 8478737

約数列:

[1, 5, 7, 35, 49, 53, 245, 265, 371, 1543, 1855, 2597, 7715, 10801, 12985, 54005, 75607, 81779, 378035, 408895, 572453, 2862265, 4007171, 20035855]

約数ペア:

[(1, 20035855), (5, 4007171), (7, 2862265), (35, 572453), (49, 408895), (53, 378035), (245, 81779), (265, 75607), (371, 54005), (1543, 12985), (1855, 10801), (2597, 7715)]