20161893477

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{1931}}^1\times {\mathrm{2957}}^1$

素因数の和:5009

約数の個数: 32

約数和(自身を含む): 29625813504

約数和(自身を除く): 9463920027

約数列:

[1, 3, 11, 33, 107, 321, 1177, 1931, 2957, 3531, 5793, 8871, 21241, 32527, 63723, 97581, 206617, 316399, 619851, 949197, 2272787, 3480389, 5709967, 6818361, 10441167, 17129901, 62809637, 188428911, 610966469, 1832899407, 6720631159, 20161893477]

約数ペア:

[(1, 20161893477), (3, 6720631159), (11, 1832899407), (33, 610966469), (107, 188428911), (321, 62809637), (1177, 17129901), (1931, 10441167), (2957, 6818361), (3531, 5709967), (5793, 3480389), (8871, 2272787), (21241, 949197), (32527, 619851), (63723, 316399), (97581, 206617)]