20845424795

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{75941}}^1$

素因数の和:76103

約数の個数: 32

約数和(自身を含む): 27864031104

約数和(自身を除く): 7018606309

約数列:

[1, 5, 13, 41, 65, 103, 205, 515, 533, 1339, 2665, 4223, 6695, 21115, 54899, 75941, 274495, 379705, 987233, 3113581, 4936165, 7821923, 15567905, 39109615, 40476553, 101684999, 202382765, 320698843, 508424995, 1603494215, 4169084959, 20845424795]

約数ペア:

[(1, 20845424795), (5, 4169084959), (13, 1603494215), (41, 508424995), (65, 320698843), (103, 202382765), (205, 101684999), (515, 40476553), (533, 39109615), (1339, 15567905), (2665, 7821923), (4223, 4936165), (6695, 3113581), (21115, 987233), (54899, 379705), (75941, 274495)]