20306535

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1657}}^1$

素因数の和:1727

約数の個数: 32

約数和(自身を含む): 35016960

約数和(自身を除く): 14710425

約数列:

[1, 3, 5, 15, 19, 43, 57, 95, 129, 215, 285, 645, 817, 1657, 2451, 4085, 4971, 8285, 12255, 24855, 31483, 71251, 94449, 157415, 213753, 356255, 472245, 1068765, 1353769, 4061307, 6768845, 20306535]

約数ペア:

[(1, 20306535), (3, 6768845), (5, 4061307), (15, 1353769), (19, 1068765), (43, 472245), (57, 356255), (95, 213753), (129, 157415), (215, 94449), (285, 71251), (645, 31483), (817, 24855), (1657, 12255), (2451, 8285), (4085, 4971)]