20281569329

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{421}}^1\times {\mathrm{160049}}^1$

素因数の和:160520

約数の個数: 16

約数和(自身を含む): 23774467200

約数和(自身を除く): 3492897871

約数列:

[1, 7, 43, 301, 421, 2947, 18103, 126721, 160049, 1120343, 6882107, 48174749, 67380629, 471664403, 2897367047, 20281569329]

約数ペア:

[(1, 20281569329), (7, 2897367047), (43, 471664403), (301, 67380629), (421, 48174749), (2947, 6882107), (18103, 1120343), (126721, 160049)]