20405904

素因数分解:

$2^4\times 3^1\times {\mathrm{425123}}^1$

素因数の和:425134

約数の個数: 20

約数和(自身を含む): 52715376

約数和(自身を除く): 32309472

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 425123, 850246, 1275369, 1700492, 2550738, 3400984, 5101476, 6801968, 10202952, 20405904]

約数ペア:

[(1, 20405904), (2, 10202952), (3, 6801968), (4, 5101476), (6, 3400984), (8, 2550738), (12, 1700492), (16, 1275369), (24, 850246), (48, 425123)]