20963278

素因数分解:

$2^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{12583}}^1$

素因数の和:12616

約数の個数: 24

約数和(自身を含む): 38733552

約数和(自身を除く): 17770274

約数列:

[1, 2, 7, 14, 17, 34, 49, 98, 119, 238, 833, 1666, 12583, 25166, 88081, 176162, 213911, 427822, 616567, 1233134, 1497377, 2994754, 10481639, 20963278]

約数ペア:

[(1, 20963278), (2, 10481639), (7, 2994754), (14, 1497377), (17, 1233134), (34, 616567), (49, 427822), (98, 213911), (119, 176162), (238, 88081), (833, 25166), (1666, 12583)]