20406977171

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{2148329}}^1$

素因数の和:2148418

約数の個数: 16

約数和(自身を含む): 24748761600

約数和(自身を除く): 4341784429

約数列:

[1, 7, 23, 59, 161, 413, 1357, 9499, 2148329, 15038303, 49411567, 126751411, 345880969, 887259877, 2915282453, 20406977171]

約数ペア:

[(1, 20406977171), (7, 2915282453), (23, 887259877), (59, 345880969), (161, 126751411), (413, 49411567), (1357, 15038303), (9499, 2148329)]