20703214

素因数分解:

$2^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{18719}}^1$

素因数の和:18807

約数の個数: 16

約数和(自身を含む): 35942400

約数和(自身を除く): 15239186

約数列:

[1, 2, 7, 14, 79, 158, 553, 1106, 18719, 37438, 131033, 262066, 1478801, 2957602, 10351607, 20703214]

約数ペア:

[(1, 20703214), (2, 10351607), (7, 2957602), (14, 1478801), (79, 262066), (158, 131033), (553, 37438), (1106, 18719)]