20311755

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^2\times {\mathrm{613}}^1$

素因数の和:715

約数の個数: 24

約数和(自身を含む): 33259152

約数和(自身を除く): 12947397

約数列:

[1, 3, 5, 15, 47, 141, 235, 613, 705, 1839, 2209, 3065, 6627, 9195, 11045, 28811, 33135, 86433, 144055, 432165, 1354117, 4062351, 6770585, 20311755]

約数ペア:

[(1, 20311755), (3, 6770585), (5, 4062351), (15, 1354117), (47, 432165), (141, 144055), (235, 86433), (613, 33135), (705, 28811), (1839, 11045), (2209, 9195), (3065, 6627)]