20967604

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^2\times {\mathrm{547}}^1$

素因数の和:632

約数の個数: 36

約数和(自身を含む): 43178016

約数和(自身を除く): 22210412

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 148, 259, 518, 547, 1036, 1094, 1369, 2188, 2738, 3829, 5476, 7658, 9583, 15316, 19166, 20239, 38332, 40478, 80956, 141673, 283346, 566692, 748843, 1497686, 2995372, 5241901, 10483802, 20967604]

約数ペア:

[(1, 20967604), (2, 10483802), (4, 5241901), (7, 2995372), (14, 1497686), (28, 748843), (37, 566692), (74, 283346), (148, 141673), (259, 80956), (518, 40478), (547, 38332), (1036, 20239), (1094, 19166), (1369, 15316), (2188, 9583), (2738, 7658), (3829, 5476)]