20057530

素因数分解:

$2^1\times 5^1\times {\mathrm{419}}^1\times {\mathrm{4787}}^1$

素因数の和:5213

約数の個数: 16

約数和(自身を含む): 36197280

約数和(自身を除く): 16139750

約数列:

[1, 2, 5, 10, 419, 838, 2095, 4190, 4787, 9574, 23935, 47870, 2005753, 4011506, 10028765, 20057530]

約数ペア:

[(1, 20057530), (2, 10028765), (5, 4011506), (10, 2005753), (419, 47870), (838, 23935), (2095, 9574), (4190, 4787)]