204390460

素因数分解:

$2^2\times 5^1\times {\mathrm{859}}^1\times {\mathrm{11897}}^1$

素因数の和:12765

約数の個数: 24

約数和(自身を含む): 429755760

約数和(自身を除く): 225365300

約数列:

[1, 2, 4, 5, 10, 20, 859, 1718, 3436, 4295, 8590, 11897, 17180, 23794, 47588, 59485, 118970, 237940, 10219523, 20439046, 40878092, 51097615, 102195230, 204390460]

約数ペア:

[(1, 204390460), (2, 102195230), (4, 51097615), (5, 40878092), (10, 20439046), (20, 10219523), (859, 237940), (1718, 118970), (3436, 59485), (4295, 47588), (8590, 23794), (11897, 17180)]