20172775405

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{3571}}^1\times {\mathrm{38959}}^1$

素因数の和:42564

約数の個数: 16

約数和(自身を含む): 25049721600

約数和(自身を除く): 4876946195

約数列:

[1, 5, 29, 145, 3571, 17855, 38959, 103559, 194795, 517795, 1129811, 5649055, 139122589, 695612945, 4034555081, 20172775405]

約数ペア:

[(1, 20172775405), (5, 4034555081), (29, 695612945), (145, 139122589), (3571, 5649055), (17855, 1129811), (38959, 517795), (103559, 194795)]