1980620

素因数分解:

$2^2\times 5^1\times {\mathrm{167}}^1\times {\mathrm{593}}^1$

素因数の和:769

約数の個数: 24

約数和(自身を含む): 4191264

約数和(自身を除く): 2210644

約数列:

[1, 2, 4, 5, 10, 20, 167, 334, 593, 668, 835, 1186, 1670, 2372, 2965, 3340, 5930, 11860, 99031, 198062, 396124, 495155, 990310, 1980620]

約数ペア:

[(1, 1980620), (2, 990310), (4, 495155), (5, 396124), (10, 198062), (20, 99031), (167, 11860), (334, 5930), (593, 3340), (668, 2965), (835, 2372), (1186, 1670)]