20532916

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{197}}^1\times {\mathrm{367}}^1$

素因数の和:639

約数の個数: 24

約数和(自身を含む): 36723456

約数和(自身を除く): 16190540

約数列:

[1, 2, 4, 71, 142, 197, 284, 367, 394, 734, 788, 1468, 13987, 26057, 27974, 52114, 55948, 72299, 104228, 144598, 289196, 5133229, 10266458, 20532916]

約数ペア:

[(1, 20532916), (2, 10266458), (4, 5133229), (71, 289196), (142, 144598), (197, 104228), (284, 72299), (367, 55948), (394, 52114), (734, 27974), (788, 26057), (1468, 13987)]