20178000940

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{8928319}}^1$

素因数の和:8928441

約数の個数: 24

約数和(自身を含む): 42748796160

約数和(自身を除く): 22570795220

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 1130, 2260, 8928319, 17856638, 35713276, 44641595, 89283190, 178566380, 1008900047, 2017800094, 4035600188, 5044500235, 10089000470, 20178000940]

約数ペア:

[(1, 20178000940), (2, 10089000470), (4, 5044500235), (5, 4035600188), (10, 2017800094), (20, 1008900047), (113, 178566380), (226, 89283190), (452, 44641595), (565, 35713276), (1130, 17856638), (2260, 8928319)]