20244968720

素因数分解:

$2^4\times 5^1\times {\mathrm{253062109}}^1$

素因数の和:253062122

約数の個数: 20

約数和(自身を含む): 47069552460

約数和(自身を除く): 26824583740

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 253062109, 506124218, 1012248436, 1265310545, 2024496872, 2530621090, 4048993744, 5061242180, 10122484360, 20244968720]

約数ペア:

[(1, 20244968720), (2, 10122484360), (4, 5061242180), (5, 4048993744), (8, 2530621090), (10, 2024496872), (16, 1265310545), (20, 1012248436), (40, 506124218), (80, 253062109)]