20985003

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{2677}}^1$

素因数の和:2763

約数の個数: 24

約数和(自身を含む): 33142928

約数和(自身を除く): 12157925

約数列:

[1, 3, 9, 13, 39, 67, 117, 201, 603, 871, 2613, 2677, 7839, 8031, 24093, 34801, 104403, 179359, 313209, 538077, 1614231, 2331667, 6995001, 20985003]

約数ペア:

[(1, 20985003), (3, 6995001), (9, 2331667), (13, 1614231), (39, 538077), (67, 313209), (117, 179359), (201, 104403), (603, 34801), (871, 24093), (2613, 8031), (2677, 7839)]