20795670

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{11003}}^1$

素因数の和:11026

約数の個数: 64

約数和(自身を含む): 63383040

約数和(自身を除く): 42587370

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 315, 378, 630, 945, 1890, 11003, 22006, 33009, 55015, 66018, 77021, 99027, 110030, 154042, 165045, 198054, 231063, 297081, 330090, 385105, 462126, 495135, 594162, 693189, 770210, 990270, 1155315, 1386378, 1485405, 2079567, 2310630, 2970810, 3465945, 4159134, 6931890, 10397835, 20795670]

約数ペア:

[(1, 20795670), (2, 10397835), (3, 6931890), (5, 4159134), (6, 3465945), (7, 2970810), (9, 2310630), (10, 2079567), (14, 1485405), (15, 1386378), (18, 1155315), (21, 990270), (27, 770210), (30, 693189), (35, 594162), (42, 495135), (45, 462126), (54, 385105), (63, 330090), (70, 297081), (90, 231063), (105, 198054), (126, 165045), (135, 154042), (189, 110030), (210, 99027), (270, 77021), (315, 66018), (378, 55015), (630, 33009), (945, 22006), (1890, 11003)]