20811216

素因数分解:

$2^4\times 3^1\times {\mathrm{523}}^1\times {\mathrm{829}}^1$

素因数の和:1363

約数の個数: 40

約数和(自身を含む): 53930080

約数和(自身を除く): 33118864

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 523, 829, 1046, 1569, 1658, 2092, 2487, 3138, 3316, 4184, 4974, 6276, 6632, 8368, 9948, 12552, 13264, 19896, 25104, 39792, 433567, 867134, 1300701, 1734268, 2601402, 3468536, 5202804, 6937072, 10405608, 20811216]

約数ペア:

[(1, 20811216), (2, 10405608), (3, 6937072), (4, 5202804), (6, 3468536), (8, 2601402), (12, 1734268), (16, 1300701), (24, 867134), (48, 433567), (523, 39792), (829, 25104), (1046, 19896), (1569, 13264), (1658, 12552), (2092, 9948), (2487, 8368), (3138, 6632), (3316, 6276), (4184, 4974)]