19955764

素因数分解:

$2^2\times {\mathrm{127}}^1\times {\mathrm{163}}^1\times {\mathrm{241}}^1$

素因数の和:535

約数の個数: 24

約数和(自身を含む): 35560448

約数和(自身を除く): 15604684

約数列:

[1, 2, 4, 127, 163, 241, 254, 326, 482, 508, 652, 964, 20701, 30607, 39283, 41402, 61214, 78566, 82804, 122428, 157132, 4988941, 9977882, 19955764]

約数ペア:

[(1, 19955764), (2, 9977882), (4, 4988941), (127, 157132), (163, 122428), (241, 82804), (254, 78566), (326, 61214), (482, 41402), (508, 39283), (652, 30607), (964, 20701)]