20799216

素因数分解:

$2^4\times 3^2\times {\mathrm{144439}}^1$

素因数の和:144453

約数の個数: 30

約数和(自身を含む): 58209320

約数和(自身を除く): 37410104

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 144439, 288878, 433317, 577756, 866634, 1155512, 1299951, 1733268, 2311024, 2599902, 3466536, 5199804, 6933072, 10399608, 20799216]

約数ペア:

[(1, 20799216), (2, 10399608), (3, 6933072), (4, 5199804), (6, 3466536), (8, 2599902), (9, 2311024), (12, 1733268), (16, 1299951), (18, 1155512), (24, 866634), (36, 577756), (48, 433317), (72, 288878), (144, 144439)]