2020403900

素因数分解:

$2^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{696691}}^1$

素因数の和:696734

約数の個数: 36

約数和(自身を含む): 4535464920

約数和(自身を除く): 2515061020

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 50, 58, 100, 116, 145, 290, 580, 725, 1450, 2900, 696691, 1393382, 2786764, 3483455, 6966910, 13933820, 17417275, 20204039, 34834550, 40408078, 69669100, 80816156, 101020195, 202040390, 404080780, 505100975, 1010201950, 2020403900]

約数ペア:

[(1, 2020403900), (2, 1010201950), (4, 505100975), (5, 404080780), (10, 202040390), (20, 101020195), (25, 80816156), (29, 69669100), (50, 40408078), (58, 34834550), (100, 20204039), (116, 17417275), (145, 13933820), (290, 6966910), (580, 3483455), (725, 2786764), (1450, 1393382), (2900, 696691)]