20199407240

素因数分解:

$2^3\times 5^1\times {\mathrm{504985181}}^1$

素因数の和:504985192

約数の個数: 16

約数和(自身を含む): 45448666380

約数和(自身を除く): 25249259140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 504985181, 1009970362, 2019940724, 2524925905, 4039881448, 5049851810, 10099703620, 20199407240]

約数ペア:

[(1, 20199407240), (2, 10099703620), (4, 5049851810), (5, 4039881448), (8, 2524925905), (10, 2019940724), (20, 1009970362), (40, 504985181)]