20668024

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{15287}}^1$

素因数の和:15319

約数の個数: 24

約数和(自身を含む): 41965560

約数和(自身を除く): 21297536

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 169, 338, 676, 1352, 15287, 30574, 61148, 122296, 198731, 397462, 794924, 1589848, 2583503, 5167006, 10334012, 20668024]

約数ペア:

[(1, 20668024), (2, 10334012), (4, 5167006), (8, 2583503), (13, 1589848), (26, 794924), (52, 397462), (104, 198731), (169, 122296), (338, 61148), (676, 30574), (1352, 15287)]