20846565

素因数分解:

$3^4\times 5^1\times {\mathrm{51473}}^1$

素因数の和:51490

約数の個数: 20

約数和(自身を含む): 37370124

約数和(自身を除く): 16523559

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 51473, 154419, 257365, 463257, 772095, 1389771, 2316285, 4169313, 6948855, 20846565]

約数ペア:

[(1, 20846565), (3, 6948855), (5, 4169313), (9, 2316285), (15, 1389771), (27, 772095), (45, 463257), (81, 257365), (135, 154419), (405, 51473)]