20849576

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^2$

素因数の和:206

約数の個数: 48

約数和(自身を含む): 44176320

約数和(自身を除く): 23326744

約数列:

[1, 2, 4, 8, 11, 22, 44, 47, 71, 88, 94, 142, 188, 284, 376, 517, 568, 781, 1034, 1562, 2068, 3124, 3337, 4136, 5041, 6248, 6674, 10082, 13348, 20164, 26696, 36707, 40328, 55451, 73414, 110902, 146828, 221804, 236927, 293656, 443608, 473854, 947708, 1895416, 2606197, 5212394, 10424788, 20849576]

約数ペア:

[(1, 20849576), (2, 10424788), (4, 5212394), (8, 2606197), (11, 1895416), (22, 947708), (44, 473854), (47, 443608), (71, 293656), (88, 236927), (94, 221804), (142, 146828), (188, 110902), (284, 73414), (376, 55451), (517, 40328), (568, 36707), (781, 26696), (1034, 20164), (1562, 13348), (2068, 10082), (3124, 6674), (3337, 6248), (4136, 5041)]