20031473

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{1657}}^1$

素因数の和:1832

約数の個数: 16

約数和(自身を含む): 25148544

約数和(自身を除く): 5117071

約数列:

[1, 7, 11, 77, 157, 1099, 1657, 1727, 11599, 12089, 18227, 127589, 260149, 1821043, 2861639, 20031473]

約数ペア:

[(1, 20031473), (7, 2861639), (11, 1821043), (77, 260149), (157, 127589), (1099, 18227), (1657, 12089), (1727, 11599)]