20406464

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{24527}}^1$

素因数の和:24552

約数の個数: 28

約数和(自身を含む): 43610784

約数和(自身を除く): 23204320

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 208, 416, 832, 24527, 49054, 98108, 196216, 318851, 392432, 637702, 784864, 1275404, 1569728, 2550808, 5101616, 10203232, 20406464]

約数ペア:

[(1, 20406464), (2, 10203232), (4, 5101616), (8, 2550808), (13, 1569728), (16, 1275404), (26, 784864), (32, 637702), (52, 392432), (64, 318851), (104, 196216), (208, 98108), (416, 49054), (832, 24527)]