20544485

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{593}}^1$

素因数の和:665

約数の個数: 24

約数和(自身を含む): 27392904

約数和(自身を除く): 6848419

約数列:

[1, 5, 13, 41, 65, 169, 205, 533, 593, 845, 2665, 2965, 6929, 7709, 24313, 34645, 38545, 100217, 121565, 316069, 501085, 1580345, 4108897, 20544485]

約数ペア:

[(1, 20544485), (5, 4108897), (13, 1580345), (41, 501085), (65, 316069), (169, 121565), (205, 100217), (533, 38545), (593, 34645), (845, 24313), (2665, 7709), (2965, 6929)]