20541253

素因数分解:

${\mathrm{17}}^3\times {\mathrm{37}}^1\times {\mathrm{113}}^1$

素因数の和:201

約数の個数: 16

約数和(自身を含む): 22613040

約数和(自身を除く): 2071787

約数列:

[1, 17, 37, 113, 289, 629, 1921, 4181, 4913, 10693, 32657, 71077, 181781, 555169, 1208309, 20541253]

約数ペア:

[(1, 20541253), (17, 1208309), (37, 555169), (113, 181781), (289, 71077), (629, 32657), (1921, 10693), (4181, 4913)]