20691360

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{14369}}^1$

素因数の和:14390

約数の個数: 72

約数和(自身を含む): 70614180

約数和(自身を除く): 49922820

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 14369, 28738, 43107, 57476, 71845, 86214, 114952, 129321, 143690, 172428, 215535, 229904, 258642, 287380, 344856, 431070, 459808, 517284, 574760, 646605, 689712, 862140, 1034568, 1149520, 1293210, 1379424, 1724280, 2069136, 2299040, 2586420, 3448560, 4138272, 5172840, 6897120, 10345680, 20691360]

約数ペア:

[(1, 20691360), (2, 10345680), (3, 6897120), (4, 5172840), (5, 4138272), (6, 3448560), (8, 2586420), (9, 2299040), (10, 2069136), (12, 1724280), (15, 1379424), (16, 1293210), (18, 1149520), (20, 1034568), (24, 862140), (30, 689712), (32, 646605), (36, 574760), (40, 517284), (45, 459808), (48, 431070), (60, 344856), (72, 287380), (80, 258642), (90, 229904), (96, 215535), (120, 172428), (144, 143690), (160, 129321), (180, 114952), (240, 86214), (288, 71845), (360, 57476), (480, 43107), (720, 28738), (1440, 14369)]