20574477

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{2699}}^1$

素因数の和:2734

約数の個数: 36

約数和(自身を含む): 37346400

約数和(自身を除く): 16771923

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 121, 231, 363, 693, 847, 1089, 2541, 2699, 7623, 8097, 18893, 24291, 29689, 56679, 89067, 170037, 207823, 267201, 326579, 623469, 979737, 1870407, 2286053, 2939211, 6858159, 20574477]

約数ペア:

[(1, 20574477), (3, 6858159), (7, 2939211), (9, 2286053), (11, 1870407), (21, 979737), (33, 623469), (63, 326579), (77, 267201), (99, 207823), (121, 170037), (231, 89067), (363, 56679), (693, 29689), (847, 24291), (1089, 18893), (2541, 8097), (2699, 7623)]