20444290

素因数分解:

$2^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{13721}}^1$

素因数の和:13877

約数の個数: 16

約数和(自身を含む): 37049400

約数和(自身を除く): 16605110

約数列:

[1, 2, 5, 10, 149, 298, 745, 1490, 13721, 27442, 68605, 137210, 2044429, 4088858, 10222145, 20444290]

約数ペア:

[(1, 20444290), (2, 10222145), (5, 4088858), (10, 2044429), (149, 137210), (298, 68605), (745, 27442), (1490, 13721)]