20175793940

素因数分解:

$2^2\times 5^1\times {\mathrm{571}}^1\times {\mathrm{1766707}}^1$

素因数の和:1767287

約数の個数: 24

約数和(自身を含む): 42443392992

約数和(自身を除く): 22267599052

約数列:

[1, 2, 4, 5, 10, 20, 571, 1142, 2284, 2855, 5710, 11420, 1766707, 3533414, 7066828, 8833535, 17667070, 35334140, 1008789697, 2017579394, 4035158788, 5043948485, 10087896970, 20175793940]

約数ペア:

[(1, 20175793940), (2, 10087896970), (4, 5043948485), (5, 4035158788), (10, 2017579394), (20, 1008789697), (571, 35334140), (1142, 17667070), (2284, 8833535), (2855, 7066828), (5710, 3533414), (11420, 1766707)]