20349843

素因数分解:

$3^1\times {\mathrm{67}}^1\times {\mathrm{137}}^1\times {\mathrm{739}}^1$

素因数の和:946

約数の個数: 16

約数和(自身を含む): 27776640

約数和(自身を除く): 7426797

約数列:

[1, 3, 67, 137, 201, 411, 739, 2217, 9179, 27537, 49513, 101243, 148539, 303729, 6783281, 20349843]

約数ペア:

[(1, 20349843), (3, 6783281), (67, 303729), (137, 148539), (201, 101243), (411, 49513), (739, 27537), (2217, 9179)]