20218484260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{77763401}}^1$

素因数の和:77763423

約数の個数: 24

約数和(自身を含む): 45724880376

約数和(自身を除く): 25506396116

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 77763401, 155526802, 311053604, 388817005, 777634010, 1010924213, 1555268020, 2021848426, 4043696852, 5054621065, 10109242130, 20218484260]

約数ペア:

[(1, 20218484260), (2, 10109242130), (4, 5054621065), (5, 4043696852), (10, 2021848426), (13, 1555268020), (20, 1010924213), (26, 777634010), (52, 388817005), (65, 311053604), (130, 155526802), (260, 77763401)]