20042380

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{14957}}^1$

素因数の和:15033

約数の個数: 24

約数和(自身を含む): 42720048

約数和(自身を除く): 22677668

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 335, 670, 1340, 14957, 29914, 59828, 74785, 149570, 299140, 1002119, 2004238, 4008476, 5010595, 10021190, 20042380]

約数ペア:

[(1, 20042380), (2, 10021190), (4, 5010595), (5, 4008476), (10, 2004238), (20, 1002119), (67, 299140), (134, 149570), (268, 74785), (335, 59828), (670, 29914), (1340, 14957)]