20968230

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{643}}^1\times {\mathrm{1087}}^1$

素因数の和:1740

約数の個数: 32

約数和(自身を含む): 50448384

約数和(自身を除く): 29480154

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 643, 1087, 1286, 1929, 2174, 3215, 3261, 3858, 5435, 6430, 6522, 9645, 10870, 16305, 19290, 32610, 698941, 1397882, 2096823, 3494705, 4193646, 6989410, 10484115, 20968230]

約数ペア:

[(1, 20968230), (2, 10484115), (3, 6989410), (5, 4193646), (6, 3494705), (10, 2096823), (15, 1397882), (30, 698941), (643, 32610), (1087, 19290), (1286, 16305), (1929, 10870), (2174, 9645), (3215, 6522), (3261, 6430), (3858, 5435)]