2012470820

素因数分解:

$2^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{421019}}^1$

素因数の和:421267

約数の個数: 24

約数和(自身を含む): 4243881600

約数和(自身を除く): 2231410780

約数列:

[1, 2, 4, 5, 10, 20, 239, 478, 956, 1195, 2390, 4780, 421019, 842038, 1684076, 2105095, 4210190, 8420380, 100623541, 201247082, 402494164, 503117705, 1006235410, 2012470820]

約数ペア:

[(1, 2012470820), (2, 1006235410), (4, 503117705), (5, 402494164), (10, 201247082), (20, 100623541), (239, 8420380), (478, 4210190), (956, 2105095), (1195, 1684076), (2390, 842038), (4780, 421019)]