20027825

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{571}}^1$

素因数の和:665

約数の個数: 24

約数和(自身を含む): 26385216

約数和(自身を除く): 6357391

約数列:

[1, 5, 23, 25, 61, 115, 305, 571, 575, 1403, 1525, 2855, 7015, 13133, 14275, 34831, 35075, 65665, 174155, 328325, 801113, 870775, 4005565, 20027825]

約数ペア:

[(1, 20027825), (5, 4005565), (23, 870775), (25, 801113), (61, 328325), (115, 174155), (305, 65665), (571, 35075), (575, 34831), (1403, 14275), (1525, 13133), (2855, 7015)]