20156091

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{163}}^1\times {\mathrm{877}}^1$

素因数の和:1090

約数の個数: 16

約数和(自身を含む): 27646464

約数和(自身を除く): 7490373

約数列:

[1, 3, 47, 141, 163, 489, 877, 2631, 7661, 22983, 41219, 123657, 142951, 428853, 6718697, 20156091]

約数ペア:

[(1, 20156091), (3, 6718697), (47, 428853), (141, 142951), (163, 123657), (489, 41219), (877, 22983), (2631, 7661)]