20870380

素因数分解:

$2^2\times 5^1\times {\mathrm{227}}^1\times {\mathrm{4597}}^1$

素因数の和:4833

約数の個数: 24

約数和(自身を含む): 44030448

約数和(自身を除く): 23160068

約数列:

[1, 2, 4, 5, 10, 20, 227, 454, 908, 1135, 2270, 4540, 4597, 9194, 18388, 22985, 45970, 91940, 1043519, 2087038, 4174076, 5217595, 10435190, 20870380]

約数ペア:

[(1, 20870380), (2, 10435190), (4, 5217595), (5, 4174076), (10, 2087038), (20, 1043519), (227, 91940), (454, 45970), (908, 22985), (1135, 18388), (2270, 9194), (4540, 4597)]