20403812

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{35671}}^1$

素因数の和:35699

約数の個数: 24

約数和(自身を含む): 41950272

約数和(自身を除く): 21546460

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 286, 572, 35671, 71342, 142684, 392381, 463723, 784762, 927446, 1569524, 1854892, 5100953, 10201906, 20403812]

約数ペア:

[(1, 20403812), (2, 10201906), (4, 5100953), (11, 1854892), (13, 1569524), (22, 927446), (26, 784762), (44, 463723), (52, 392381), (143, 142684), (286, 71342), (572, 35671)]