20199887210

素因数分解:

$2^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{15905423}}^1$

素因数の和:15905557

約数の個数: 16

約数和(自身を含む): 36646096896

約数和(自身を除く): 16446209686

約数列:

[1, 2, 5, 10, 127, 254, 635, 1270, 15905423, 31810846, 79527115, 159054230, 2019988721, 4039977442, 10099943605, 20199887210]

約数ペア:

[(1, 20199887210), (2, 10099943605), (5, 4039977442), (10, 2019988721), (127, 159054230), (254, 79527115), (635, 31810846), (1270, 15905423)]