1994016820

素因数分解:

$2^2\times 5^1\times {\mathrm{331}}^1\times {\mathrm{301211}}^1$

素因数の和:301551

約数の個数: 24

約数和(自身を含む): 4200100128

約数和(自身を除く): 2206083308

約数列:

[1, 2, 4, 5, 10, 20, 331, 662, 1324, 1655, 3310, 6620, 301211, 602422, 1204844, 1506055, 3012110, 6024220, 99700841, 199401682, 398803364, 498504205, 997008410, 1994016820]

約数ペア:

[(1, 1994016820), (2, 997008410), (4, 498504205), (5, 398803364), (10, 199401682), (20, 99700841), (331, 6024220), (662, 3012110), (1324, 1506055), (1655, 1204844), (3310, 602422), (6620, 301211)]