20781192

素因数分解:

$2^3\times 3^1\times {\mathrm{677}}^1\times {\mathrm{1279}}^1$

素因数の和:1965

約数の個数: 32

約数和(自身を含む): 52070400

約数和(自身を除く): 31289208

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 677, 1279, 1354, 2031, 2558, 2708, 3837, 4062, 5116, 5416, 7674, 8124, 10232, 15348, 16248, 30696, 865883, 1731766, 2597649, 3463532, 5195298, 6927064, 10390596, 20781192]

約数ペア:

[(1, 20781192), (2, 10390596), (3, 6927064), (4, 5195298), (6, 3463532), (8, 2597649), (12, 1731766), (24, 865883), (677, 30696), (1279, 16248), (1354, 15348), (2031, 10232), (2558, 8124), (2708, 7674), (3837, 5416), (4062, 5116)]