20811741

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{2203}}^1$

素因数の和:2320

約数の個数: 16

約数和(自身を含む): 28775424

約数和(自身を除く): 7963683

約数列:

[1, 3, 47, 67, 141, 201, 2203, 3149, 6609, 9447, 103541, 147601, 310623, 442803, 6937247, 20811741]

約数ペア:

[(1, 20811741), (3, 6937247), (47, 442803), (67, 310623), (141, 147601), (201, 103541), (2203, 9447), (3149, 6609)]