20189045499

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{15760379}}^1$

素因数の和:15760450

約数の個数: 16

約数和(自身を含む): 31268593920

約数和(自身を除く): 11079548421

約数列:

[1, 3, 7, 21, 61, 183, 427, 1281, 15760379, 47281137, 110322653, 330967959, 961383119, 2884149357, 6729681833, 20189045499]

約数ペア:

[(1, 20189045499), (3, 6729681833), (7, 2884149357), (21, 961383119), (61, 330967959), (183, 110322653), (427, 47281137), (1281, 15760379)]