20686588

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{4793}}^1$

素因数の和:4893

約数の個数: 24

約数和(自身を含む): 39464208

約数和(自身を除く): 18777620

約数列:

[1, 2, 4, 13, 26, 52, 83, 166, 332, 1079, 2158, 4316, 4793, 9586, 19172, 62309, 124618, 249236, 397819, 795638, 1591276, 5171647, 10343294, 20686588]

約数ペア:

[(1, 20686588), (2, 10343294), (4, 5171647), (13, 1591276), (26, 795638), (52, 397819), (83, 249236), (166, 124618), (332, 62309), (1079, 19172), (2158, 9586), (4316, 4793)]