220169968

素因数分解:

$2^4\times {\mathrm{163}}^1\times {\mathrm{84421}}^1$

素因数の和:84592

約数の個数: 20

約数和(自身を含む): 429201448

約数和(自身を除く): 209031480

約数列:

[1, 2, 4, 8, 16, 163, 326, 652, 1304, 2608, 84421, 168842, 337684, 675368, 1350736, 13760623, 27521246, 55042492, 110084984, 220169968]

約数ペア:

[(1, 220169968), (2, 110084984), (4, 55042492), (8, 27521246), (16, 13760623), (163, 1350736), (326, 675368), (652, 337684), (1304, 168842), (2608, 84421)]