20423043

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{971}}^1$

素因数の和:1040

約数の個数: 32

約数和(自身を含む): 32659200

約数和(自身を除く): 12236157

約数列:

[1, 3, 9, 19, 27, 41, 57, 123, 171, 369, 513, 779, 971, 1107, 2337, 2913, 7011, 8739, 18449, 21033, 26217, 39811, 55347, 119433, 166041, 358299, 498123, 756409, 1074897, 2269227, 6807681, 20423043]

約数ペア:

[(1, 20423043), (3, 6807681), (9, 2269227), (19, 1074897), (27, 756409), (41, 498123), (57, 358299), (123, 166041), (171, 119433), (369, 55347), (513, 39811), (779, 26217), (971, 21033), (1107, 18449), (2337, 8739), (2913, 7011)]