20478861

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{1733}}^1$

素因数の和:1853

約数の個数: 24

約数和(自身を含む): 32189976

約数和(自身を除く): 11711115

約数列:

[1, 3, 9, 13, 39, 101, 117, 303, 909, 1313, 1733, 3939, 5199, 11817, 15597, 22529, 67587, 175033, 202761, 525099, 1575297, 2275429, 6826287, 20478861]

約数ペア:

[(1, 20478861), (3, 6826287), (9, 2275429), (13, 1575297), (39, 525099), (101, 202761), (117, 175033), (303, 67587), (909, 22529), (1313, 15597), (1733, 11817), (3939, 5199)]