20953790

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{14653}}^1$

素因数の和:14684

約数の個数: 32

約数和(自身を含む): 44313696

約数和(自身を除く): 23359906

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 14653, 29306, 73265, 146530, 161183, 190489, 322366, 380978, 805915, 952445, 1611830, 1904890, 2095379, 4190758, 10476895, 20953790]

約数ペア:

[(1, 20953790), (2, 10476895), (5, 4190758), (10, 2095379), (11, 1904890), (13, 1611830), (22, 952445), (26, 805915), (55, 380978), (65, 322366), (110, 190489), (130, 161183), (143, 146530), (286, 73265), (715, 29306), (1430, 14653)]