20153819

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{151}}^1\times {\mathrm{829}}^1$

素因数の和:1010

約数の個数: 16

約数和(自身を含む): 24222720

約数和(自身を除く): 4068901

約数列:

[1, 7, 23, 151, 161, 829, 1057, 3473, 5803, 19067, 24311, 125179, 133469, 876253, 2879117, 20153819]

約数ペア:

[(1, 20153819), (7, 2879117), (23, 876253), (151, 133469), (161, 125179), (829, 24311), (1057, 19067), (3473, 5803)]