20293335

素因数分解:

$3^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{563}}^1$

素因数の和:669

約数の個数: 40

約数和(自身を含む): 36851760

約数和(自身を除く): 16558425

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 89, 135, 267, 405, 445, 563, 801, 1335, 1689, 2403, 2815, 4005, 5067, 7209, 8445, 12015, 15201, 25335, 36045, 45603, 50107, 76005, 150321, 228015, 250535, 450963, 751605, 1352889, 2254815, 4058667, 6764445, 20293335]

約数ペア:

[(1, 20293335), (3, 6764445), (5, 4058667), (9, 2254815), (15, 1352889), (27, 751605), (45, 450963), (81, 250535), (89, 228015), (135, 150321), (267, 76005), (405, 50107), (445, 45603), (563, 36045), (801, 25335), (1335, 15201), (1689, 12015), (2403, 8445), (2815, 7209), (4005, 5067)]