20877824

素因数分解:

$2^9\times {\mathrm{11}}^2\times {\mathrm{337}}^1$

素因数の和:377

約数の個数: 60

約数和(自身を含む): 45987942

約数和(自身を除く): 25110118

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 121, 128, 176, 242, 256, 337, 352, 484, 512, 674, 704, 968, 1348, 1408, 1936, 2696, 2816, 3707, 3872, 5392, 5632, 7414, 7744, 10784, 14828, 15488, 21568, 29656, 30976, 40777, 43136, 59312, 61952, 81554, 86272, 118624, 163108, 172544, 237248, 326216, 474496, 652432, 948992, 1304864, 1897984, 2609728, 5219456, 10438912, 20877824]

約数ペア:

[(1, 20877824), (2, 10438912), (4, 5219456), (8, 2609728), (11, 1897984), (16, 1304864), (22, 948992), (32, 652432), (44, 474496), (64, 326216), (88, 237248), (121, 172544), (128, 163108), (176, 118624), (242, 86272), (256, 81554), (337, 61952), (352, 59312), (484, 43136), (512, 40777), (674, 30976), (704, 29656), (968, 21568), (1348, 15488), (1408, 14828), (1936, 10784), (2696, 7744), (2816, 7414), (3707, 5632), (3872, 5392)]