20988230

素因数分解:

$2^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{28751}}^1$

素因数の和:28831

約数の個数: 16

約数和(自身を含む): 38297664

約数和(自身を除く): 17309434

約数列:

[1, 2, 5, 10, 73, 146, 365, 730, 28751, 57502, 143755, 287510, 2098823, 4197646, 10494115, 20988230]

約数ペア:

[(1, 20988230), (2, 10494115), (5, 4197646), (10, 2098823), (73, 287510), (146, 143755), (365, 57502), (730, 28751)]