203415820

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{90007}}^1$

素因数の和:90129

約数の個数: 24

約数和(自身を含む): 430958304

約数和(自身を除く): 227542484

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 1130, 2260, 90007, 180014, 360028, 450035, 900070, 1800140, 10170791, 20341582, 40683164, 50853955, 101707910, 203415820]

約数ペア:

[(1, 203415820), (2, 101707910), (4, 50853955), (5, 40683164), (10, 20341582), (20, 10170791), (113, 1800140), (226, 900070), (452, 450035), (565, 360028), (1130, 180014), (2260, 90007)]