20608270

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{179}}^1\times {\mathrm{397}}^1$

素因数の和:612

約数の個数: 32

約数和(自身を含む): 38685600

約数和(自身を除く): 18077330

約数列:

[1, 2, 5, 10, 29, 58, 145, 179, 290, 358, 397, 794, 895, 1790, 1985, 3970, 5191, 10382, 11513, 23026, 25955, 51910, 57565, 71063, 115130, 142126, 355315, 710630, 2060827, 4121654, 10304135, 20608270]

約数ペア:

[(1, 20608270), (2, 10304135), (5, 4121654), (10, 2060827), (29, 710630), (58, 355315), (145, 142126), (179, 115130), (290, 71063), (358, 57565), (397, 51910), (794, 25955), (895, 23026), (1790, 11513), (1985, 10382), (3970, 5191)]