20163903

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{4373}}^1$

素因数の和:4458

約数の個数: 16

約数和(自身を含む): 28343520

約数和(自身を除く): 8179617

約数列:

[1, 3, 29, 53, 87, 159, 1537, 4373, 4611, 13119, 126817, 231769, 380451, 695307, 6721301, 20163903]

約数ペア:

[(1, 20163903), (3, 6721301), (29, 695307), (53, 380451), (87, 231769), (159, 126817), (1537, 13119), (4373, 4611)]