20479248

素因数分解:

$2^4\times 3^2\times {\mathrm{142217}}^1$

素因数の和:142231

約数の個数: 30

約数和(自身を含む): 57313854

約数和(自身を除く): 36834606

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 142217, 284434, 426651, 568868, 853302, 1137736, 1279953, 1706604, 2275472, 2559906, 3413208, 5119812, 6826416, 10239624, 20479248]

約数ペア:

[(1, 20479248), (2, 10239624), (3, 6826416), (4, 5119812), (6, 3413208), (8, 2559906), (9, 2275472), (12, 1706604), (16, 1279953), (18, 1137736), (24, 853302), (36, 568868), (48, 426651), (72, 284434), (144, 142217)]