20706664

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{167}}^1\times {\mathrm{1409}}^1$

素因数の和:1593

約数の個数: 32

約数和(自身を含む): 42638400

約数和(自身を除く): 21931736

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 167, 334, 668, 1336, 1409, 1837, 2818, 3674, 5636, 7348, 11272, 14696, 15499, 30998, 61996, 123992, 235303, 470606, 941212, 1882424, 2588333, 5176666, 10353332, 20706664]

約数ペア:

[(1, 20706664), (2, 10353332), (4, 5176666), (8, 2588333), (11, 1882424), (22, 941212), (44, 470606), (88, 235303), (167, 123992), (334, 61996), (668, 30998), (1336, 15499), (1409, 14696), (1837, 11272), (2818, 7348), (3674, 5636)]