20415633

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{2693}}^1$

素因数の和:2741

約数の個数: 24

約数和(自身を含む): 32845248

約数和(自身を除く): 12429615

約数列:

[1, 3, 7, 19, 21, 57, 133, 361, 399, 1083, 2527, 2693, 7581, 8079, 18851, 51167, 56553, 153501, 358169, 972173, 1074507, 2916519, 6805211, 20415633]

約数ペア:

[(1, 20415633), (3, 6805211), (7, 2916519), (19, 1074507), (21, 972173), (57, 358169), (133, 153501), (361, 56553), (399, 51167), (1083, 18851), (2527, 8079), (2693, 7581)]