20489378

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{1093}}^1$

素因数の和:1218

約数の個数: 32

約数和(自身を含む): 38228736

約数和(自身を除く): 17739358

約数列:

[1, 2, 7, 13, 14, 26, 91, 103, 182, 206, 721, 1093, 1339, 1442, 2186, 2678, 7651, 9373, 14209, 15302, 18746, 28418, 99463, 112579, 198926, 225158, 788053, 1463527, 1576106, 2927054, 10244689, 20489378]

約数ペア:

[(1, 20489378), (2, 10244689), (7, 2927054), (13, 1576106), (14, 1463527), (26, 788053), (91, 225158), (103, 198926), (182, 112579), (206, 99463), (721, 28418), (1093, 18746), (1339, 15302), (1442, 14209), (2186, 9373), (2678, 7651)]