20415584

素因数分解:

$2^5\times 7^1\times {\mathrm{91141}}^1$

素因数の和:91158

約数の個数: 24

約数和(自身を含む): 45935568

約数和(自身を除く): 25519984

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 91141, 182282, 364564, 637987, 729128, 1275974, 1458256, 2551948, 2916512, 5103896, 10207792, 20415584]

約数ペア:

[(1, 20415584), (2, 10207792), (4, 5103896), (7, 2916512), (8, 2551948), (14, 1458256), (16, 1275974), (28, 729128), (32, 637987), (56, 364564), (112, 182282), (224, 91141)]