20581686

素因数分解:

$2^1\times 3^2\times {\mathrm{673}}^1\times {\mathrm{1699}}^1$

素因数の和:2380

約数の個数: 24

約数和(自身を含む): 44686200

約数和(自身を除く): 24104514

約数列:

[1, 2, 3, 6, 9, 18, 673, 1346, 1699, 2019, 3398, 4038, 5097, 6057, 10194, 12114, 15291, 30582, 1143427, 2286854, 3430281, 6860562, 10290843, 20581686]

約数ペア:

[(1, 20581686), (2, 10290843), (3, 6860562), (6, 3430281), (9, 2286854), (18, 1143427), (673, 30582), (1346, 15291), (1699, 12114), (2019, 10194), (3398, 6057), (4038, 5097)]