20038347

素因数分解:

$3^4\times 7^1\times {\mathrm{59}}^1\times {\mathrm{599}}^1$

素因数の和:677

約数の個数: 40

約数和(自身を含む): 34848000

約数和(自身を除く): 14809653

約数列:

[1, 3, 7, 9, 21, 27, 59, 63, 81, 177, 189, 413, 531, 567, 599, 1239, 1593, 1797, 3717, 4193, 4779, 5391, 11151, 12579, 16173, 33453, 35341, 37737, 48519, 106023, 113211, 247387, 318069, 339633, 742161, 954207, 2226483, 2862621, 6679449, 20038347]

約数ペア:

[(1, 20038347), (3, 6679449), (7, 2862621), (9, 2226483), (21, 954207), (27, 742161), (59, 339633), (63, 318069), (81, 247387), (177, 113211), (189, 106023), (413, 48519), (531, 37737), (567, 35341), (599, 33453), (1239, 16173), (1593, 12579), (1797, 11151), (3717, 5391), (4193, 4779)]