20196805

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{1187}}^1$

素因数の和:1316

約数の個数: 16

約数和(自身を含む): 25147584

約数和(自身を除く): 4950779

約数列:

[1, 5, 41, 83, 205, 415, 1187, 3403, 5935, 17015, 48667, 98521, 243335, 492605, 4039361, 20196805]

約数ペア:

[(1, 20196805), (5, 4039361), (41, 492605), (83, 243335), (205, 98521), (415, 48667), (1187, 17015), (3403, 5935)]