20482920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{56897}}^1$

素因数の和:56914

約数の個数: 48

約数和(自身を含む): 66570660

約数和(自身を除く): 46087740

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 56897, 113794, 170691, 227588, 284485, 341382, 455176, 512073, 568970, 682764, 853455, 1024146, 1137940, 1365528, 1706910, 2048292, 2275880, 2560365, 3413820, 4096584, 5120730, 6827640, 10241460, 20482920]

約数ペア:

[(1, 20482920), (2, 10241460), (3, 6827640), (4, 5120730), (5, 4096584), (6, 3413820), (8, 2560365), (9, 2275880), (10, 2048292), (12, 1706910), (15, 1365528), (18, 1137940), (20, 1024146), (24, 853455), (30, 682764), (36, 568970), (40, 512073), (45, 455176), (60, 341382), (72, 284485), (90, 227588), (120, 170691), (180, 113794), (360, 56897)]