20948170

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{91079}}^1$

素因数の和:91109

約数の個数: 16

約数和(自身を含む): 39346560

約数和(自身を除く): 18398390

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 91079, 182158, 455395, 910790, 2094817, 4189634, 10474085, 20948170]

約数ペア:

[(1, 20948170), (2, 10474085), (5, 4189634), (10, 2094817), (23, 910790), (46, 455395), (115, 182158), (230, 91079)]