20138711050

素因数分解:

$2^1\times 5^2\times {\mathrm{1321}}^1\times {\mathrm{304901}}^1$

素因数の和:306234

約数の個数: 24

約数和(自身を含む): 37486481292

約数和(自身を除く): 17347770242

約数列:

[1, 2, 5, 10, 25, 50, 1321, 2642, 6605, 13210, 33025, 66050, 304901, 609802, 1524505, 3049010, 7622525, 15245050, 402774221, 805548442, 2013871105, 4027742210, 10069355525, 20138711050]

約数ペア:

[(1, 20138711050), (2, 10069355525), (5, 4027742210), (10, 2013871105), (25, 805548442), (50, 402774221), (1321, 15245050), (2642, 7622525), (6605, 3049010), (13210, 1524505), (33025, 609802), (66050, 304901)]