20646624

素因数分解:

$2^5\times 3^1\times {\mathrm{431}}^1\times {\mathrm{499}}^1$

素因数の和:943

約数の個数: 48

約数和(自身を含む): 54432000

約数和(自身を除く): 33785376

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 431, 499, 862, 998, 1293, 1497, 1724, 1996, 2586, 2994, 3448, 3992, 5172, 5988, 6896, 7984, 10344, 11976, 13792, 15968, 20688, 23952, 41376, 47904, 215069, 430138, 645207, 860276, 1290414, 1720552, 2580828, 3441104, 5161656, 6882208, 10323312, 20646624]

約数ペア:

[(1, 20646624), (2, 10323312), (3, 6882208), (4, 5161656), (6, 3441104), (8, 2580828), (12, 1720552), (16, 1290414), (24, 860276), (32, 645207), (48, 430138), (96, 215069), (431, 47904), (499, 41376), (862, 23952), (998, 20688), (1293, 15968), (1497, 13792), (1724, 11976), (1996, 10344), (2586, 7984), (2994, 6896), (3448, 5988), (3992, 5172)]