20959540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{149711}}^1$

素因数の和:149727

約数の個数: 24

約数和(自身を含む): 50303232

約数和(自身を除く): 29343692

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 149711, 299422, 598844, 748555, 1047977, 1497110, 2095954, 2994220, 4191908, 5239885, 10479770, 20959540]

約数ペア:

[(1, 20959540), (2, 10479770), (4, 5239885), (5, 4191908), (7, 2994220), (10, 2095954), (14, 1497110), (20, 1047977), (28, 748555), (35, 598844), (70, 299422), (140, 149711)]