20305537

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1\times {\mathrm{509}}^1$

素因数の和:696

約数の個数: 16

約数和(自身を含む): 23990400

約数和(自身を除く): 3684863

約数列:

[1, 7, 41, 139, 287, 509, 973, 3563, 5699, 20869, 39893, 70751, 146083, 495257, 2900791, 20305537]

約数ペア:

[(1, 20305537), (7, 2900791), (41, 495257), (139, 146083), (287, 70751), (509, 39893), (973, 20869), (3563, 5699)]