20888948810

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{23470729}}^1$

素因数の和:23470825

約数の個数: 16

約数和(自身を含む): 38022582600

約数和(自身を除く): 17133633790

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 23470729, 46941458, 117353645, 234707290, 2088894881, 4177789762, 10444474405, 20888948810]

約数ペア:

[(1, 20888948810), (2, 10444474405), (5, 4177789762), (10, 2088894881), (89, 234707290), (178, 117353645), (445, 46941458), (890, 23470729)]