20655292

素因数分解:

$2^2\times 7^1\times {\mathrm{251}}^1\times {\mathrm{2939}}^1$

素因数の和:3201

約数の個数: 24

約数和(自身を含む): 41489280

約数和(自身を除く): 20833988

約数列:

[1, 2, 4, 7, 14, 28, 251, 502, 1004, 1757, 2939, 3514, 5878, 7028, 11756, 20573, 41146, 82292, 737689, 1475378, 2950756, 5163823, 10327646, 20655292]

約数ペア:

[(1, 20655292), (2, 10327646), (4, 5163823), (7, 2950756), (14, 1475378), (28, 737689), (251, 82292), (502, 41146), (1004, 20573), (1757, 11756), (2939, 7028), (3514, 5878)]