20756848

素因数分解:

$2^4\times 7^1\times {\mathrm{241}}^1\times {\mathrm{769}}^1$

素因数の和:1025

約数の個数: 40

約数和(自身を含む): 46212320

約数和(自身を除く): 25455472

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 241, 482, 769, 964, 1538, 1687, 1928, 3076, 3374, 3856, 5383, 6152, 6748, 10766, 12304, 13496, 21532, 26992, 43064, 86128, 185329, 370658, 741316, 1297303, 1482632, 2594606, 2965264, 5189212, 10378424, 20756848]

約数ペア:

[(1, 20756848), (2, 10378424), (4, 5189212), (7, 2965264), (8, 2594606), (14, 1482632), (16, 1297303), (28, 741316), (56, 370658), (112, 185329), (241, 86128), (482, 43064), (769, 26992), (964, 21532), (1538, 13496), (1687, 12304), (1928, 10766), (3076, 6748), (3374, 6152), (3856, 5383)]