20119874499

素因数分解:

$3^3\times {\mathrm{40387}}^1\times {\mathrm{18451}}^1$

素因数の和:58847

約数の個数: 16

約数和(自身を含む): 29809575040

約数和(自身を除く): 9689700541

約数列:

[1, 3, 9, 27, 18451, 40387, 55353, 121161, 166059, 363483, 498177, 1090449, 745180537, 2235541611, 6706624833, 20119874499]

約数ペア:

[(1, 20119874499), (3, 6706624833), (9, 2235541611), (27, 745180537), (18451, 1090449), (40387, 498177), (55353, 363483), (121161, 166059)]