201993613940

素因数分解:

$2^2\times 5^1\times {\mathrm{571}}^1\times {\mathrm{17687707}}^1$

素因数の和:17688287

約数の個数: 24

約数和(自身を含む): 424929496992

約数和(自身を除く): 222935883052

約数列:

[1, 2, 4, 5, 10, 20, 571, 1142, 2284, 2855, 5710, 11420, 17687707, 35375414, 70750828, 88438535, 176877070, 353754140, 10099680697, 20199361394, 40398722788, 50498403485, 100996806970, 201993613940]

約数ペア:

[(1, 201993613940), (2, 100996806970), (4, 50498403485), (5, 40398722788), (10, 20199361394), (20, 10099680697), (571, 353754140), (1142, 176877070), (2284, 88438535), (2855, 70750828), (5710, 35375414), (11420, 17687707)]