20899920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{87083}}^1$

素因数の和:87099

約数の個数: 40

約数和(自身を含む): 64790496

約数和(自身を除く): 43890576

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 87083, 174166, 261249, 348332, 435415, 522498, 696664, 870830, 1044996, 1306245, 1393328, 1741660, 2089992, 2612490, 3483320, 4179984, 5224980, 6966640, 10449960, 20899920]

約数ペア:

[(1, 20899920), (2, 10449960), (3, 6966640), (4, 5224980), (5, 4179984), (6, 3483320), (8, 2612490), (10, 2089992), (12, 1741660), (15, 1393328), (16, 1306245), (20, 1044996), (24, 870830), (30, 696664), (40, 522498), (48, 435415), (60, 348332), (80, 261249), (120, 174166), (240, 87083)]