20188161

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{10337}}^1$

素因数の和:10381

約数の個数: 24

約数和(自身を含む): 34404864

約数和(自身を除く): 14216703

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 217, 279, 651, 1953, 10337, 31011, 72359, 93033, 217077, 320447, 651231, 961341, 2243129, 2884023, 6729387, 20188161]

約数ペア:

[(1, 20188161), (3, 6729387), (7, 2884023), (9, 2243129), (21, 961341), (31, 651231), (63, 320447), (93, 217077), (217, 93033), (279, 72359), (651, 31011), (1953, 10337)]