20205454

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{4349}}^1$

素因数の和:4475

約数の個数: 16

約数和(自身を含む): 31946400

約数和(自身を除く): 11740946

約数列:

[1, 2, 23, 46, 101, 202, 2323, 4349, 4646, 8698, 100027, 200054, 439249, 878498, 10102727, 20205454]

約数ペア:

[(1, 20205454), (2, 10102727), (23, 878498), (46, 439249), (101, 200054), (202, 100027), (2323, 8698), (4349, 4646)]