20418188

素因数分解:

$2^2\times 7^1\times {\mathrm{751}}^1\times {\mathrm{971}}^1$

素因数の和:1733

約数の個数: 24

約数和(自身を含む): 40932864

約数和(自身を除く): 20514676

約数列:

[1, 2, 4, 7, 14, 28, 751, 971, 1502, 1942, 3004, 3884, 5257, 6797, 10514, 13594, 21028, 27188, 729221, 1458442, 2916884, 5104547, 10209094, 20418188]

約数ペア:

[(1, 20418188), (2, 10209094), (4, 5104547), (7, 2916884), (14, 1458442), (28, 729221), (751, 27188), (971, 21028), (1502, 13594), (1942, 10514), (3004, 6797), (3884, 5257)]