20819166

素因数分解:

$2^1\times 3^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1\times {\mathrm{647}}^1$

素因数の和:856

約数の個数: 32

約数和(自身を含む): 43296768

約数和(自身を除く): 22477602

約数列:

[1, 2, 3, 6, 31, 62, 93, 173, 186, 346, 519, 647, 1038, 1294, 1941, 3882, 5363, 10726, 16089, 20057, 32178, 40114, 60171, 111931, 120342, 223862, 335793, 671586, 3469861, 6939722, 10409583, 20819166]

約数ペア:

[(1, 20819166), (2, 10409583), (3, 6939722), (6, 3469861), (31, 671586), (62, 335793), (93, 223862), (173, 120342), (186, 111931), (346, 60171), (519, 40114), (647, 32178), (1038, 20057), (1294, 16089), (1941, 10726), (3882, 5363)]