20714550

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{197}}^1\times {\mathrm{701}}^1$

素因数の和:913

約数の個数: 48

約数和(自身を含む): 51706512

約数和(自身を除く): 30991962

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 150, 197, 394, 591, 701, 985, 1182, 1402, 1970, 2103, 2955, 3505, 4206, 4925, 5910, 7010, 9850, 10515, 14775, 17525, 21030, 29550, 35050, 52575, 105150, 138097, 276194, 414291, 690485, 828582, 1380970, 2071455, 3452425, 4142910, 6904850, 10357275, 20714550]

約数ペア:

[(1, 20714550), (2, 10357275), (3, 6904850), (5, 4142910), (6, 3452425), (10, 2071455), (15, 1380970), (25, 828582), (30, 690485), (50, 414291), (75, 276194), (150, 138097), (197, 105150), (394, 52575), (591, 35050), (701, 29550), (985, 21030), (1182, 17525), (1402, 14775), (1970, 10515), (2103, 9850), (2955, 7010), (3505, 5910), (4206, 4925)]