20928045

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{60661}}^1$

素因数の和:60692

約数の個数: 16

約数和(自身を含む): 34941312

約数和(自身を除く): 14013267

約数列:

[1, 3, 5, 15, 23, 69, 115, 345, 60661, 181983, 303305, 909915, 1395203, 4185609, 6976015, 20928045]

約数ペア:

[(1, 20928045), (3, 6976015), (5, 4185609), (15, 1395203), (23, 909915), (69, 303305), (115, 181983), (345, 60661)]