20341590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{281}}^1$

素因数の和:437

約数の個数: 64

約数和(自身を含む): 51978240

約数和(自身を除く): 31636650

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 57, 95, 114, 127, 190, 254, 281, 285, 381, 562, 570, 635, 762, 843, 1270, 1405, 1686, 1905, 2413, 2810, 3810, 4215, 4826, 5339, 7239, 8430, 10678, 12065, 14478, 16017, 24130, 26695, 32034, 35687, 36195, 53390, 71374, 72390, 80085, 107061, 160170, 178435, 214122, 356870, 535305, 678053, 1070610, 1356106, 2034159, 3390265, 4068318, 6780530, 10170795, 20341590]

約数ペア:

[(1, 20341590), (2, 10170795), (3, 6780530), (5, 4068318), (6, 3390265), (10, 2034159), (15, 1356106), (19, 1070610), (30, 678053), (38, 535305), (57, 356870), (95, 214122), (114, 178435), (127, 160170), (190, 107061), (254, 80085), (281, 72390), (285, 71374), (381, 53390), (562, 36195), (570, 35687), (635, 32034), (762, 26695), (843, 24130), (1270, 16017), (1405, 14478), (1686, 12065), (1905, 10678), (2413, 8430), (2810, 7239), (3810, 5339), (4215, 4826)]