20189701839

素因数分解:

$3^1\times {\mathrm{157}}^1\times {\mathrm{677}}^1\times {\mathrm{63317}}^1$

素因数の和:64154

約数の個数: 16

約数和(自身を含む): 27131509728

約数和(自身を除く): 6941807889

約数列:

[1, 3, 157, 471, 677, 2031, 63317, 106289, 189951, 318867, 9940769, 29822307, 42865609, 128596827, 6729900613, 20189701839]

約数ペア:

[(1, 20189701839), (3, 6729900613), (157, 128596827), (471, 42865609), (677, 29822307), (2031, 9940769), (63317, 318867), (106289, 189951)]