20895870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{5011}}^1$

素因数の和:5160

約数の個数: 32

約数和(自身を含む): 50520960

約数和(自身を除く): 29625090

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 139, 278, 417, 695, 834, 1390, 2085, 4170, 5011, 10022, 15033, 25055, 30066, 50110, 75165, 150330, 696529, 1393058, 2089587, 3482645, 4179174, 6965290, 10447935, 20895870]

約数ペア:

[(1, 20895870), (2, 10447935), (3, 6965290), (5, 4179174), (6, 3482645), (10, 2089587), (15, 1393058), (30, 696529), (139, 150330), (278, 75165), (417, 50110), (695, 30066), (834, 25055), (1390, 15033), (2085, 10022), (4170, 5011)]