20719678

素因数分解:

$2^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{36097}}^1$

素因数の和:36147

約数の個数: 16

約数和(自身を含む): 36386784

約数和(自身を除く): 15667106

約数列:

[1, 2, 7, 14, 41, 82, 287, 574, 36097, 72194, 252679, 505358, 1479977, 2959954, 10359839, 20719678]

約数ペア:

[(1, 20719678), (2, 10359839), (7, 2959954), (14, 1479977), (41, 505358), (82, 252679), (287, 72194), (574, 36097)]