20925860

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{45491}}^1$

素因数の和:45523

約数の個数: 24

約数和(自身を含む): 45855936

約数和(自身を除く): 24930076

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 45491, 90982, 181964, 227455, 454910, 909820, 1046293, 2092586, 4185172, 5231465, 10462930, 20925860]

約数ペア:

[(1, 20925860), (2, 10462930), (4, 5231465), (5, 4185172), (10, 2092586), (20, 1046293), (23, 909820), (46, 454910), (92, 227455), (115, 181964), (230, 90982), (460, 45491)]