203540420

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{328291}}^1$

素因数の和:328331

約数の個数: 24

約数和(自身を含む): 441224448

約数和(自身を除く): 237684028

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 328291, 656582, 1313164, 1641455, 3282910, 6565820, 10177021, 20354042, 40708084, 50885105, 101770210, 203540420]

約数ペア:

[(1, 203540420), (2, 101770210), (4, 50885105), (5, 40708084), (10, 20354042), (20, 10177021), (31, 6565820), (62, 3282910), (124, 1641455), (155, 1313164), (310, 656582), (620, 328291)]