203460580

素因数分解:

$2^2\times 5^1\times {\mathrm{491}}^1\times {\mathrm{20719}}^1$

素因数の和:21219

約数の個数: 24

約数和(自身を含む): 428158080

約数和(自身を除く): 224697500

約数列:

[1, 2, 4, 5, 10, 20, 491, 982, 1964, 2455, 4910, 9820, 20719, 41438, 82876, 103595, 207190, 414380, 10173029, 20346058, 40692116, 50865145, 101730290, 203460580]

約数ペア:

[(1, 203460580), (2, 101730290), (4, 50865145), (5, 40692116), (10, 20346058), (20, 10173029), (491, 414380), (982, 207190), (1964, 103595), (2455, 82876), (4910, 41438), (9820, 20719)]