20137365

素因数分解:

$3^2\times 5^1\times {\mathrm{661}}^1\times {\mathrm{677}}^1$

素因数の和:1349

約数の個数: 24

約数和(自身を含む): 35009208

約数和(自身を除く): 14871843

約数列:

[1, 3, 5, 9, 15, 45, 661, 677, 1983, 2031, 3305, 3385, 5949, 6093, 9915, 10155, 29745, 30465, 447497, 1342491, 2237485, 4027473, 6712455, 20137365]

約数ペア:

[(1, 20137365), (3, 6712455), (5, 4027473), (9, 2237485), (15, 1342491), (45, 447497), (661, 30465), (677, 29745), (1983, 10155), (2031, 9915), (3305, 6093), (3385, 5949)]