20792668

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{107}}^1$

素因数の和:262

約数の個数: 48

約数和(自身を含む): 41023584

約数和(自身を除く): 20230916

約数列:

[1, 2, 4, 13, 26, 37, 52, 74, 101, 107, 148, 202, 214, 404, 428, 481, 962, 1313, 1391, 1924, 2626, 2782, 3737, 3959, 5252, 5564, 7474, 7918, 10807, 14948, 15836, 21614, 43228, 48581, 51467, 97162, 102934, 140491, 194324, 205868, 280982, 399859, 561964, 799718, 1599436, 5198167, 10396334, 20792668]

約数ペア:

[(1, 20792668), (2, 10396334), (4, 5198167), (13, 1599436), (26, 799718), (37, 561964), (52, 399859), (74, 280982), (101, 205868), (107, 194324), (148, 140491), (202, 102934), (214, 97162), (404, 51467), (428, 48581), (481, 43228), (962, 21614), (1313, 15836), (1391, 14948), (1924, 10807), (2626, 7918), (2782, 7474), (3737, 5564), (3959, 5252)]