20939254555

素因数分解:

$5^1\times {\mathrm{191}}^1\times {\mathrm{269}}^1\times {\mathrm{81509}}^1$

素因数の和:81974

約数の個数: 16

約数和(自身を含む): 25352870400

約数和(自身を除く): 4413615845

約数列:

[1, 5, 191, 269, 955, 1345, 51379, 81509, 256895, 407545, 15568219, 21925921, 77841095, 109629605, 4187850911, 20939254555]

約数ペア:

[(1, 20939254555), (5, 4187850911), (191, 109629605), (269, 77841095), (955, 21925921), (1345, 15568219), (51379, 407545), (81509, 256895)]