20184521780

素因数分解:

$2^2\times 5^1\times {\mathrm{673}}^1\times {\mathrm{1499593}}^1$

素因数の和:1500275

約数の個数: 24

約数和(自身を含む): 42450506952

約数和(自身を除く): 22265985172

約数列:

[1, 2, 4, 5, 10, 20, 673, 1346, 2692, 3365, 6730, 13460, 1499593, 2999186, 5998372, 7497965, 14995930, 29991860, 1009226089, 2018452178, 4036904356, 5046130445, 10092260890, 20184521780]

約数ペア:

[(1, 20184521780), (2, 10092260890), (4, 5046130445), (5, 4036904356), (10, 2018452178), (20, 1009226089), (673, 29991860), (1346, 14995930), (2692, 7497965), (3365, 5998372), (6730, 2999186), (13460, 1499593)]