20492885

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{25457}}^1$

素因数の和:25492

約数の個数: 16

約数和(自身を含む): 29327616

約数和(自身を除く): 8834731

約数列:

[1, 5, 7, 23, 35, 115, 161, 805, 25457, 127285, 178199, 585511, 890995, 2927555, 4098577, 20492885]

約数ペア:

[(1, 20492885), (5, 4098577), (7, 2927555), (23, 890995), (35, 585511), (115, 178199), (161, 127285), (805, 25457)]