20472290

素因数分解:

$2^1\times 5^1\times {\mathrm{1123}}^1\times {\mathrm{1823}}^1$

素因数の和:2953

約数の個数: 16

約数和(自身を含む): 36903168

約数和(自身を除く): 16430878

約数列:

[1, 2, 5, 10, 1123, 1823, 2246, 3646, 5615, 9115, 11230, 18230, 2047229, 4094458, 10236145, 20472290]

約数ペア:

[(1, 20472290), (2, 10236145), (5, 4094458), (10, 2047229), (1123, 18230), (1823, 11230), (2246, 9115), (3646, 5615)]