20459745

素因数分解:

$3^2\times 5^1\times {\mathrm{151}}^1\times {\mathrm{3011}}^1$

素因数の和:3173

約数の個数: 24

約数和(自身を含む): 35710272

約数和(自身を除く): 15250527

約数列:

[1, 3, 5, 9, 15, 45, 151, 453, 755, 1359, 2265, 3011, 6795, 9033, 15055, 27099, 45165, 135495, 454661, 1363983, 2273305, 4091949, 6819915, 20459745]

約数ペア:

[(1, 20459745), (3, 6819915), (5, 4091949), (9, 2273305), (15, 1363983), (45, 454661), (151, 135495), (453, 45165), (755, 27099), (1359, 15055), (2265, 9033), (3011, 6795)]