20884436

素因数分解:

$2^2\times {\mathrm{67}}^1\times {\mathrm{149}}^1\times {\mathrm{523}}^1$

素因数の和:743

約数の個数: 24

約数和(自身を含む): 37413600

約数和(自身を除く): 16529164

約数列:

[1, 2, 4, 67, 134, 149, 268, 298, 523, 596, 1046, 2092, 9983, 19966, 35041, 39932, 70082, 77927, 140164, 155854, 311708, 5221109, 10442218, 20884436]

約数ペア:

[(1, 20884436), (2, 10442218), (4, 5221109), (67, 311708), (134, 155854), (149, 140164), (268, 77927), (298, 70082), (523, 39932), (596, 35041), (1046, 19966), (2092, 9983)]