20457424

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{1667}}^1$

素因数の和:1747

約数の個数: 40

約数和(自身を含む): 43434720

約数和(自身を除く): 22977296

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 59, 104, 118, 208, 236, 472, 767, 944, 1534, 1667, 3068, 3334, 6136, 6668, 12272, 13336, 21671, 26672, 43342, 86684, 98353, 173368, 196706, 346736, 393412, 786824, 1278589, 1573648, 2557178, 5114356, 10228712, 20457424]

約数ペア:

[(1, 20457424), (2, 10228712), (4, 5114356), (8, 2557178), (13, 1573648), (16, 1278589), (26, 786824), (52, 393412), (59, 346736), (104, 196706), (118, 173368), (208, 98353), (236, 86684), (472, 43342), (767, 26672), (944, 21671), (1534, 13336), (1667, 12272), (3068, 6668), (3334, 6136)]