20506460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{6067}}^1$

素因数の和:6102

約数の個数: 36

約数和(自身を含む): 46638648

約数和(自身を除く): 26132188

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 6067, 12134, 24268, 30335, 60670, 78871, 121340, 157742, 315484, 394355, 788710, 1025323, 1577420, 2050646, 4101292, 5126615, 10253230, 20506460]

約数ペア:

[(1, 20506460), (2, 10253230), (4, 5126615), (5, 4101292), (10, 2050646), (13, 1577420), (20, 1025323), (26, 788710), (52, 394355), (65, 315484), (130, 157742), (169, 121340), (260, 78871), (338, 60670), (676, 30335), (845, 24268), (1690, 12134), (3380, 6067)]