20696260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79601}}^1$

素因数の和:79623

約数の個数: 24

約数和(自身を含む): 46805976

約数和(自身を除く): 26109716

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 79601, 159202, 318404, 398005, 796010, 1034813, 1592020, 2069626, 4139252, 5174065, 10348130, 20696260]

約数ペア:

[(1, 20696260), (2, 10348130), (4, 5174065), (5, 4139252), (10, 2069626), (13, 1592020), (20, 1034813), (26, 796010), (52, 398005), (65, 318404), (130, 159202), (260, 79601)]