20105764

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{42239}}^1$

素因数の和:42267

約数の個数: 24

約数和(自身を含む): 42577920

約数和(自身を除く): 22472156

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 476, 42239, 84478, 168956, 295673, 591346, 718063, 1182692, 1436126, 2872252, 5026441, 10052882, 20105764]

約数ペア:

[(1, 20105764), (2, 10052882), (4, 5026441), (7, 2872252), (14, 1436126), (17, 1182692), (28, 718063), (34, 591346), (68, 295673), (119, 168956), (238, 84478), (476, 42239)]