20580745

素因数分解:

$5^1\times {\mathrm{23}}^2\times {\mathrm{31}}^1\times {\mathrm{251}}^1$

素因数の和:333

約数の個数: 24

約数和(自身を含む): 26756352

約数和(自身を除く): 6175607

約数列:

[1, 5, 23, 31, 115, 155, 251, 529, 713, 1255, 2645, 3565, 5773, 7781, 16399, 28865, 38905, 81995, 132779, 178963, 663895, 894815, 4116149, 20580745]

約数ペア:

[(1, 20580745), (5, 4116149), (23, 894815), (31, 663895), (115, 178963), (155, 132779), (251, 81995), (529, 38905), (713, 28865), (1255, 16399), (2645, 7781), (3565, 5773)]