20328568

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{3313}}^1$

素因数の和:3391

約数の個数: 32

約数和(自身を含む): 41756400

約数和(自身を除く): 21427832

約数列:

[1, 2, 4, 8, 13, 26, 52, 59, 104, 118, 236, 472, 767, 1534, 3068, 3313, 6136, 6626, 13252, 26504, 43069, 86138, 172276, 195467, 344552, 390934, 781868, 1563736, 2541071, 5082142, 10164284, 20328568]

約数ペア:

[(1, 20328568), (2, 10164284), (4, 5082142), (8, 2541071), (13, 1563736), (26, 781868), (52, 390934), (59, 344552), (104, 195467), (118, 172276), (236, 86138), (472, 43069), (767, 26504), (1534, 13252), (3068, 6626), (3313, 6136)]