20642925

素因数分解:

$3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{9491}}^1$

素因数の和:9533

約数の個数: 24

約数和(自身を含む): 35310240

約数和(自身を除く): 14667315

約数列:

[1, 3, 5, 15, 25, 29, 75, 87, 145, 435, 725, 2175, 9491, 28473, 47455, 142365, 237275, 275239, 711825, 825717, 1376195, 4128585, 6880975, 20642925]

約数ペア:

[(1, 20642925), (3, 6880975), (5, 4128585), (15, 1376195), (25, 825717), (29, 711825), (75, 275239), (87, 237275), (145, 142365), (435, 47455), (725, 28473), (2175, 9491)]