20342619

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{3877}}^1$

素因数の和:3947

約数の個数: 24

約数和(自身を含む): 32668272

約数和(自身を除く): 12325653

約数列:

[1, 3, 9, 11, 33, 53, 99, 159, 477, 583, 1749, 3877, 5247, 11631, 34893, 42647, 127941, 205481, 383823, 616443, 1849329, 2260291, 6780873, 20342619]

約数ペア:

[(1, 20342619), (3, 6780873), (9, 2260291), (11, 1849329), (33, 616443), (53, 383823), (99, 205481), (159, 127941), (477, 42647), (583, 34893), (1749, 11631), (3877, 5247)]