20804938419

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{1481}}^1\times {\mathrm{275449}}^1$

素因数の和:276950

約数の個数: 16

約数和(自身を含む): 29391616800

約数和(自身を除く): 8586678381

約数列:

[1, 3, 17, 51, 1481, 4443, 25177, 75531, 275449, 826347, 4682633, 14047899, 407939969, 1223819907, 6934979473, 20804938419]

約数ペア:

[(1, 20804938419), (3, 6934979473), (17, 1223819907), (51, 407939969), (1481, 14047899), (4443, 4682633), (25177, 826347), (75531, 275449)]