20948860

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{45541}}^1$

素因数の和:45573

約数の個数: 24

約数和(自身を含む): 45906336

約数和(自身を除く): 24957476

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 45541, 91082, 182164, 227705, 455410, 910820, 1047443, 2094886, 4189772, 5237215, 10474430, 20948860]

約数ペア:

[(1, 20948860), (2, 10474430), (4, 5237215), (5, 4189772), (10, 2094886), (20, 1047443), (23, 910820), (46, 455410), (92, 227705), (115, 182164), (230, 91082), (460, 45541)]