20317311

素因数分解:

$3^4\times 7^2\times {\mathrm{5119}}^1$

素因数の和:5145

約数の個数: 30

約数和(自身を含む): 35312640

約数和(自身を除く): 14995329

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 441, 567, 1323, 3969, 5119, 15357, 35833, 46071, 107499, 138213, 250831, 322497, 414639, 752493, 967491, 2257479, 2902473, 6772437, 20317311]

約数ペア:

[(1, 20317311), (3, 6772437), (7, 2902473), (9, 2257479), (21, 967491), (27, 752493), (49, 414639), (63, 322497), (81, 250831), (147, 138213), (189, 107499), (441, 46071), (567, 35833), (1323, 15357), (3969, 5119)]