20696580

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{38327}}^1$

素因数の和:38345

約数の個数: 48

約数和(自身を含む): 64391040

約数和(自身を除く): 43694460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 38327, 76654, 114981, 153308, 191635, 229962, 344943, 383270, 459924, 574905, 689886, 766540, 1034829, 1149810, 1379772, 1724715, 2069658, 2299620, 3449430, 4139316, 5174145, 6898860, 10348290, 20696580]

約数ペア:

[(1, 20696580), (2, 10348290), (3, 6898860), (4, 5174145), (5, 4139316), (6, 3449430), (9, 2299620), (10, 2069658), (12, 1724715), (15, 1379772), (18, 1149810), (20, 1034829), (27, 766540), (30, 689886), (36, 574905), (45, 459924), (54, 383270), (60, 344943), (90, 229962), (108, 191635), (135, 153308), (180, 114981), (270, 76654), (540, 38327)]