20722472

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{179}}^1\times {\mathrm{499}}^1$

素因数の和:713

約数の個数: 32

約数和(自身を含む): 40500000

約数和(自身を除く): 19777528

約数列:

[1, 2, 4, 8, 29, 58, 116, 179, 232, 358, 499, 716, 998, 1432, 1996, 3992, 5191, 10382, 14471, 20764, 28942, 41528, 57884, 89321, 115768, 178642, 357284, 714568, 2590309, 5180618, 10361236, 20722472]

約数ペア:

[(1, 20722472), (2, 10361236), (4, 5180618), (8, 2590309), (29, 714568), (58, 357284), (116, 178642), (179, 115768), (232, 89321), (358, 57884), (499, 41528), (716, 28942), (998, 20764), (1432, 14471), (1996, 10382), (3992, 5191)]