20068540

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{7901}}^1$

素因数の和:8037

約数の個数: 24

約数和(自身を含む): 42481152

約数和(自身を除く): 22412612

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 508, 635, 1270, 2540, 7901, 15802, 31604, 39505, 79010, 158020, 1003427, 2006854, 4013708, 5017135, 10034270, 20068540]

約数ペア:

[(1, 20068540), (2, 10034270), (4, 5017135), (5, 4013708), (10, 2006854), (20, 1003427), (127, 158020), (254, 79010), (508, 39505), (635, 31604), (1270, 15802), (2540, 7901)]