20380451816

素因数分解:

$2^3\times {\mathrm{67}}^1\times {\mathrm{9103}}^1\times {\mathrm{4177}}^1$

素因数の和:13353

約数の個数: 32

約数和(自身を含む): 38797242240

約数和(自身を除く): 18416790424

約数列:

[1, 2, 4, 8, 67, 134, 268, 536, 4177, 8354, 9103, 16708, 18206, 33416, 36412, 72824, 279859, 559718, 609901, 1119436, 1219802, 2238872, 2439604, 4879208, 38023231, 76046462, 152092924, 304185848, 2547556477, 5095112954, 10190225908, 20380451816]

約数ペア:

[(1, 20380451816), (2, 10190225908), (4, 5095112954), (8, 2547556477), (67, 304185848), (134, 152092924), (268, 76046462), (536, 38023231), (4177, 4879208), (8354, 2439604), (9103, 2238872), (16708, 1219802), (18206, 1119436), (33416, 609901), (36412, 559718), (72824, 279859)]