20502916

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{17029}}^1$

素因数の和:17083

約数の個数: 24

約数和(自身を含む): 41961920

約数和(自身を除く): 21459004

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 172, 301, 602, 1204, 17029, 34058, 68116, 119203, 238406, 476812, 732247, 1464494, 2928988, 5125729, 10251458, 20502916]

約数ペア:

[(1, 20502916), (2, 10251458), (4, 5125729), (7, 2928988), (14, 1464494), (28, 732247), (43, 476812), (86, 238406), (172, 119203), (301, 68116), (602, 34058), (1204, 17029)]