20154381

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{13967}}^1$

素因数の和:14020

約数の個数: 16

約数和(自身を含む): 29723904

約数和(自身を除く): 9569523

約数列:

[1, 3, 13, 37, 39, 111, 481, 1443, 13967, 41901, 181571, 516779, 544713, 1550337, 6718127, 20154381]

約数ペア:

[(1, 20154381), (3, 6718127), (13, 1550337), (37, 544713), (39, 516779), (111, 181571), (481, 41901), (1443, 13967)]