20986610

素因数分解:

$2^1\times 5^1\times {\mathrm{877}}^1\times {\mathrm{2393}}^1$

素因数の和:3277

約数の個数: 16

約数和(自身を含む): 37834776

約数和(自身を除く): 16848166

約数列:

[1, 2, 5, 10, 877, 1754, 2393, 4385, 4786, 8770, 11965, 23930, 2098661, 4197322, 10493305, 20986610]

約数ペア:

[(1, 20986610), (2, 10493305), (5, 4197322), (10, 2098661), (877, 23930), (1754, 11965), (2393, 8770), (4385, 4786)]