20818216

素因数分解:

$2^3\times {\mathrm{113}}^1\times {\mathrm{23029}}^1$

素因数の和:23148

約数の個数: 16

約数和(自身を含む): 39381300

約数和(自身を除く): 18563084

約数列:

[1, 2, 4, 8, 113, 226, 452, 904, 23029, 46058, 92116, 184232, 2602277, 5204554, 10409108, 20818216]

約数ペア:

[(1, 20818216), (2, 10409108), (4, 5204554), (8, 2602277), (113, 184232), (226, 92116), (452, 46058), (904, 23029)]