20215173838

素因数分解:

$2^1\times {\mathrm{97}}^1\times {\mathrm{4591}}^1\times {\mathrm{22697}}^1$

素因数の和:27387

約数の個数: 16

約数和(自身を含む): 30643389504

約数和(自身を除く): 10428215666

約数列:

[1, 2, 97, 194, 4591, 9182, 22697, 45394, 445327, 890654, 2201609, 4403218, 104201927, 208403854, 10107586919, 20215173838]

約数ペア:

[(1, 20215173838), (2, 10107586919), (97, 208403854), (194, 104201927), (4591, 4403218), (9182, 2201609), (22697, 890654), (45394, 445327)]