20783312

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{263}}^1\times {\mathrm{449}}^1$

素因数の和:731

約数の個数: 40

約数和(自身を含む): 44193600

約数和(自身を除く): 23410288

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 263, 449, 526, 898, 1052, 1796, 2104, 2893, 3592, 4208, 4939, 5786, 7184, 9878, 11572, 19756, 23144, 39512, 46288, 79024, 118087, 236174, 472348, 944696, 1298957, 1889392, 2597914, 5195828, 10391656, 20783312]

約数ペア:

[(1, 20783312), (2, 10391656), (4, 5195828), (8, 2597914), (11, 1889392), (16, 1298957), (22, 944696), (44, 472348), (88, 236174), (176, 118087), (263, 79024), (449, 46288), (526, 39512), (898, 23144), (1052, 19756), (1796, 11572), (2104, 9878), (2893, 7184), (3592, 5786), (4208, 4939)]