20170438

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{6719}}^1$

素因数の和:6819

約数の個数: 16

約数和(自身を含む): 32256000

約数和(自身を除く): 12085562

約数列:

[1, 2, 19, 38, 79, 158, 1501, 3002, 6719, 13438, 127661, 255322, 530801, 1061602, 10085219, 20170438]

約数ペア:

[(1, 20170438), (2, 10085219), (19, 1061602), (38, 530801), (79, 255322), (158, 127661), (1501, 13438), (3002, 6719)]