20320512304

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{9136921}}^1$

素因数の和:9137068

約数の個数: 20

約数和(自身を含む): 39654241480

約数和(自身を除く): 19333729176

約数列:

[1, 2, 4, 8, 16, 139, 278, 556, 1112, 2224, 9136921, 18273842, 36547684, 73095368, 146190736, 1270032019, 2540064038, 5080128076, 10160256152, 20320512304]

約数ペア:

[(1, 20320512304), (2, 10160256152), (4, 5080128076), (8, 2540064038), (16, 1270032019), (139, 146190736), (278, 73095368), (556, 36547684), (1112, 18273842), (2224, 9136921)]