20199259045

素因数分解:

$5^1\times 7^1\times {\mathrm{947}}^1\times {\mathrm{609421}}^1$

素因数の和:610380

約数の個数: 16

約数和(自身を含む): 27731138688

約数和(自身を除く): 7531879643

約数列:

[1, 5, 7, 35, 947, 4735, 6629, 33145, 609421, 3047105, 4265947, 21329735, 577121687, 2885608435, 4039851809, 20199259045]

約数ペア:

[(1, 20199259045), (5, 4039851809), (7, 2885608435), (35, 577121687), (947, 21329735), (4735, 4265947), (6629, 3047105), (33145, 609421)]