20762972

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{229}}^1\times {\mathrm{1193}}^1$

素因数の和:1445

約数の個数: 24

約数和(自身を含む): 38446800

約数和(自身を除く): 17683828

約数列:

[1, 2, 4, 19, 38, 76, 229, 458, 916, 1193, 2386, 4351, 4772, 8702, 17404, 22667, 45334, 90668, 273197, 546394, 1092788, 5190743, 10381486, 20762972]

約数ペア:

[(1, 20762972), (2, 10381486), (4, 5190743), (19, 1092788), (38, 546394), (76, 273197), (229, 90668), (458, 45334), (916, 22667), (1193, 17404), (2386, 8702), (4351, 4772)]