20398339

素因数分解:

${\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{887}}^1$

素因数の和:990

約数の個数: 16

約数和(自身を含む): 23123520

約数和(自身を除く): 2725181

約数列:

[1, 13, 29, 61, 377, 793, 887, 1769, 11531, 22997, 25723, 54107, 334399, 703391, 1569103, 20398339]

約数ペア:

[(1, 20398339), (13, 1569103), (29, 703391), (61, 334399), (377, 54107), (793, 25723), (887, 22997), (1769, 11531)]