20045540

素因数分解:

$2^2\times 5^1\times {\mathrm{367}}^1\times {\mathrm{2731}}^1$

素因数の和:3107

約数の個数: 24

約数和(自身を含む): 42225792

約数和(自身を除く): 22180252

約数列:

[1, 2, 4, 5, 10, 20, 367, 734, 1468, 1835, 2731, 3670, 5462, 7340, 10924, 13655, 27310, 54620, 1002277, 2004554, 4009108, 5011385, 10022770, 20045540]

約数ペア:

[(1, 20045540), (2, 10022770), (4, 5011385), (5, 4009108), (10, 2004554), (20, 1002277), (367, 54620), (734, 27310), (1468, 13655), (1835, 10924), (2731, 7340), (3670, 5462)]