20840266

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{4679}}^1$

素因数の和:4829

約数の個数: 16

約数和(自身を含む): 33359040

約数和(自身を除く): 12518774

約数列:

[1, 2, 17, 34, 131, 262, 2227, 4454, 4679, 9358, 79543, 159086, 612949, 1225898, 10420133, 20840266]

約数ペア:

[(1, 20840266), (2, 10420133), (17, 1225898), (34, 612949), (131, 159086), (262, 79543), (2227, 9358), (4454, 4679)]