1900528820

素因数分解:

$2^2\times 5^1\times {\mathrm{1931}}^1\times {\mathrm{49211}}^1$

素因数の和:51151

約数の個数: 24

約数和(自身を含む): 3993258528

約数和(自身を除く): 2092729708

約数列:

[1, 2, 4, 5, 10, 20, 1931, 3862, 7724, 9655, 19310, 38620, 49211, 98422, 196844, 246055, 492110, 984220, 95026441, 190052882, 380105764, 475132205, 950264410, 1900528820]

約数ペア:

[(1, 1900528820), (2, 950264410), (4, 475132205), (5, 380105764), (10, 190052882), (20, 95026441), (1931, 984220), (3862, 492110), (7724, 246055), (9655, 196844), (19310, 98422), (38620, 49211)]