20378520

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{18869}}^1$

素因数の和:18889

約数の個数: 64

約数和(自身を含む): 67932000

約数和(自身を除く): 47553480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 18869, 37738, 56607, 75476, 94345, 113214, 150952, 169821, 188690, 226428, 283035, 339642, 377380, 452856, 509463, 566070, 679284, 754760, 849105, 1018926, 1132140, 1358568, 1698210, 2037852, 2264280, 2547315, 3396420, 4075704, 5094630, 6792840, 10189260, 20378520]

約数ペア:

[(1, 20378520), (2, 10189260), (3, 6792840), (4, 5094630), (5, 4075704), (6, 3396420), (8, 2547315), (9, 2264280), (10, 2037852), (12, 1698210), (15, 1358568), (18, 1132140), (20, 1018926), (24, 849105), (27, 754760), (30, 679284), (36, 566070), (40, 509463), (45, 452856), (54, 377380), (60, 339642), (72, 283035), (90, 226428), (108, 188690), (120, 169821), (135, 150952), (180, 113214), (216, 94345), (270, 75476), (360, 56607), (540, 37738), (1080, 18869)]