20180372247

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{13927103}}^1$

素因数の和:13927139

約数の個数: 24

約数和(自身を含む): 34762051584

約数和(自身を除く): 14581679337

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 161, 207, 483, 1449, 13927103, 41781309, 97489721, 125343927, 292469163, 320323369, 877407489, 960970107, 2242263583, 2882910321, 6726790749, 20180372247]

約数ペア:

[(1, 20180372247), (3, 6726790749), (7, 2882910321), (9, 2242263583), (21, 960970107), (23, 877407489), (63, 320323369), (69, 292469163), (161, 125343927), (207, 97489721), (483, 41781309), (1449, 13927103)]