20037916

素因数分解:

$2^2\times {\mathrm{73}}^1\times {\mathrm{163}}^1\times {\mathrm{421}}^1$

素因数の和:661

約数の個数: 24

約数和(自身を含む): 35849744

約数和(自身を除く): 15811828

約数列:

[1, 2, 4, 73, 146, 163, 292, 326, 421, 652, 842, 1684, 11899, 23798, 30733, 47596, 61466, 68623, 122932, 137246, 274492, 5009479, 10018958, 20037916]

約数ペア:

[(1, 20037916), (2, 10018958), (4, 5009479), (73, 274492), (146, 137246), (163, 122932), (292, 68623), (326, 61466), (421, 47596), (652, 30733), (842, 23798), (1684, 11899)]