20816954

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{379}}^1\times {\mathrm{947}}^1$

素因数の和:1357

約数の個数: 16

約数和(自身を含む): 32421600

約数和(自身を除く): 11604646

約数列:

[1, 2, 29, 58, 379, 758, 947, 1894, 10991, 21982, 27463, 54926, 358913, 717826, 10408477, 20816954]

約数ペア:

[(1, 20816954), (2, 10408477), (29, 717826), (58, 358913), (379, 54926), (758, 27463), (947, 21982), (1894, 10991)]