20481372

素因数分解:

$2^2\times 3^2\times {\mathrm{139}}^1\times {\mathrm{4093}}^1$

素因数の和:4242

約数の個数: 36

約数和(自身を含む): 52157560

約数和(自身を除く): 31676188

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 139, 278, 417, 556, 834, 1251, 1668, 2502, 4093, 5004, 8186, 12279, 16372, 24558, 36837, 49116, 73674, 147348, 568927, 1137854, 1706781, 2275708, 3413562, 5120343, 6827124, 10240686, 20481372]

約数ペア:

[(1, 20481372), (2, 10240686), (3, 6827124), (4, 5120343), (6, 3413562), (9, 2275708), (12, 1706781), (18, 1137854), (36, 568927), (139, 147348), (278, 73674), (417, 49116), (556, 36837), (834, 24558), (1251, 16372), (1668, 12279), (2502, 8186), (4093, 5004)]