20686108

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{103}}^1$

素因数の和:226

約数の個数: 48

約数和(自身を含む): 39836160

約数和(自身を除く): 19150052

約数列:

[1, 2, 4, 23, 37, 46, 59, 74, 92, 103, 118, 148, 206, 236, 412, 851, 1357, 1702, 2183, 2369, 2714, 3404, 3811, 4366, 4738, 5428, 6077, 7622, 8732, 9476, 12154, 15244, 24308, 50209, 87653, 100418, 139771, 175306, 200836, 224849, 279542, 350612, 449698, 559084, 899396, 5171527, 10343054, 20686108]

約数ペア:

[(1, 20686108), (2, 10343054), (4, 5171527), (23, 899396), (37, 559084), (46, 449698), (59, 350612), (74, 279542), (92, 224849), (103, 200836), (118, 175306), (148, 139771), (206, 100418), (236, 87653), (412, 50209), (851, 24308), (1357, 15244), (1702, 12154), (2183, 9476), (2369, 8732), (2714, 7622), (3404, 6077), (3811, 5428), (4366, 4738)]