20331619

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{563}}^1$

素因数の和:655

約数の個数: 24

約数和(自身を含む): 26232768

約数和(自身を除く): 5901149

約数列:

[1, 7, 11, 49, 67, 77, 469, 539, 563, 737, 3283, 3941, 5159, 6193, 27587, 36113, 37721, 43351, 264047, 303457, 414931, 1848329, 2904517, 20331619]

約数ペア:

[(1, 20331619), (7, 2904517), (11, 1848329), (49, 414931), (67, 303457), (77, 264047), (469, 43351), (539, 37721), (563, 36113), (737, 27587), (3283, 6193), (3941, 5159)]