20805176

素因数分解:

$2^3\times 7^1\times {\mathrm{103}}^1\times {\mathrm{3607}}^1$

素因数の和:3723

約数の個数: 32

約数和(自身を含む): 45027840

約数和(自身を除く): 24222664

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 103, 206, 412, 721, 824, 1442, 2884, 3607, 5768, 7214, 14428, 25249, 28856, 50498, 100996, 201992, 371521, 743042, 1486084, 2600647, 2972168, 5201294, 10402588, 20805176]

約数ペア:

[(1, 20805176), (2, 10402588), (4, 5201294), (7, 2972168), (8, 2600647), (14, 1486084), (28, 743042), (56, 371521), (103, 201992), (206, 100996), (412, 50498), (721, 28856), (824, 25249), (1442, 14428), (2884, 7214), (3607, 5768)]