20856854770

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{10259}}^1\times {\mathrm{11959}}^1$

素因数の和:22242

約数の個数: 32

約数和(自身を含む): 39757910400

約数和(自身を除く): 18901055630

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 10259, 11959, 20518, 23918, 51295, 59795, 102590, 119590, 174403, 203303, 348806, 406606, 872015, 1016515, 1744030, 2033030, 122687381, 245374762, 613436905, 1226873810, 2085685477, 4171370954, 10428427385, 20856854770]

約数ペア:

[(1, 20856854770), (2, 10428427385), (5, 4171370954), (10, 2085685477), (17, 1226873810), (34, 613436905), (85, 245374762), (170, 122687381), (10259, 2033030), (11959, 1744030), (20518, 1016515), (23918, 872015), (51295, 406606), (59795, 348806), (102590, 203303), (119590, 174403)]