20716968

素因数分解:

$2^3\times 3^1\times {\mathrm{113}}^1\times {\mathrm{7639}}^1$

素因数の和:7761

約数の個数: 32

約数和(自身を含む): 52257600

約数和(自身を除く): 31540632

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 113, 226, 339, 452, 678, 904, 1356, 2712, 7639, 15278, 22917, 30556, 45834, 61112, 91668, 183336, 863207, 1726414, 2589621, 3452828, 5179242, 6905656, 10358484, 20716968]

約数ペア:

[(1, 20716968), (2, 10358484), (3, 6905656), (4, 5179242), (6, 3452828), (8, 2589621), (12, 1726414), (24, 863207), (113, 183336), (226, 91668), (339, 61112), (452, 45834), (678, 30556), (904, 22917), (1356, 15278), (2712, 7639)]