2000803460

素因数分解:

$2^2\times 5^1\times {\mathrm{409}}^1\times {\mathrm{244597}}^1$

素因数の和:245015

約数の個数: 24

約数和(自身を含む): 4211977560

約数和(自身を除く): 2211174100

約数列:

[1, 2, 4, 5, 10, 20, 409, 818, 1636, 2045, 4090, 8180, 244597, 489194, 978388, 1222985, 2445970, 4891940, 100040173, 200080346, 400160692, 500200865, 1000401730, 2000803460]

約数ペア:

[(1, 2000803460), (2, 1000401730), (4, 500200865), (5, 400160692), (10, 200080346), (20, 100040173), (409, 4891940), (818, 2445970), (1636, 1222985), (2045, 978388), (4090, 489194), (8180, 244597)]