20631303

素因数分解:

$3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{4253}}^1$

素因数の和:4284

約数の個数: 36

約数和(自身を含む): 37826568

約数和(自身を除く): 17195265

約数列:

[1, 3, 7, 9, 11, 21, 33, 49, 63, 77, 99, 147, 231, 441, 539, 693, 1617, 4253, 4851, 12759, 29771, 38277, 46783, 89313, 140349, 208397, 267939, 327481, 421047, 625191, 982443, 1875573, 2292367, 2947329, 6877101, 20631303]

約数ペア:

[(1, 20631303), (3, 6877101), (7, 2947329), (9, 2292367), (11, 1875573), (21, 982443), (33, 625191), (49, 421047), (63, 327481), (77, 267939), (99, 208397), (147, 140349), (231, 89313), (441, 46783), (539, 38277), (693, 29771), (1617, 12759), (4253, 4851)]