20291895

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{34687}}^1$

素因数の和:34711

約数の個数: 24

約数和(自身を含む): 37879296

約数和(自身を除く): 17587401

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 585, 34687, 104061, 173435, 312183, 450931, 520305, 1352793, 1560915, 2254655, 4058379, 6763965, 20291895]

約数ペア:

[(1, 20291895), (3, 6763965), (5, 4058379), (9, 2254655), (13, 1560915), (15, 1352793), (39, 520305), (45, 450931), (65, 312183), (117, 173435), (195, 104061), (585, 34687)]