20693145

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{1511}}^1$

素因数の和:1613

約数の個数: 32

約数和(自身を含む): 36578304

約数和(自身を除く): 15885159

約数列:

[1, 3, 5, 11, 15, 33, 55, 83, 165, 249, 415, 913, 1245, 1511, 2739, 4533, 4565, 7555, 13695, 16621, 22665, 49863, 83105, 125413, 249315, 376239, 627065, 1379543, 1881195, 4138629, 6897715, 20693145]

約数ペア:

[(1, 20693145), (3, 6897715), (5, 4138629), (11, 1881195), (15, 1379543), (33, 627065), (55, 376239), (83, 249315), (165, 125413), (249, 83105), (415, 49863), (913, 22665), (1245, 16621), (1511, 13695), (2739, 7555), (4533, 4565)]