20121636375

素因数分解:

$3^2\times 5^3\times {\mathrm{17885899}}^1$

素因数の和:17885920

約数の個数: 24

約数和(自身を含む): 36272605200

約数和(自身を除く): 16150968825

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 125, 225, 375, 1125, 17885899, 53657697, 89429495, 160973091, 268288485, 447147475, 804865455, 1341442425, 2235737375, 4024327275, 6707212125, 20121636375]

約数ペア:

[(1, 20121636375), (3, 6707212125), (5, 4024327275), (9, 2235737375), (15, 1341442425), (25, 804865455), (45, 447147475), (75, 268288485), (125, 160973091), (225, 89429495), (375, 53657697), (1125, 17885899)]