20803960970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{929}}^1\times {\mathrm{10133}}^1$

素因数の和:11099

約数の個数: 64

約数和(自身を含む): 42750076320

約数和(自身を除く): 21946115350

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 442, 929, 1105, 1858, 2210, 4645, 9290, 10133, 12077, 15793, 20266, 24154, 31586, 50665, 60385, 78965, 101330, 120770, 131729, 157930, 172261, 205309, 263458, 344522, 410618, 658645, 861305, 1026545, 1317290, 1722610, 2053090, 2239393, 4478786, 9413557, 11196965, 18827114, 22393930, 47067785, 94135570, 122376241, 160030469, 244752482, 320060938, 611881205, 800152345, 1223762410, 1600304690, 2080396097, 4160792194, 10401980485, 20803960970]

約数ペア:

[(1, 20803960970), (2, 10401980485), (5, 4160792194), (10, 2080396097), (13, 1600304690), (17, 1223762410), (26, 800152345), (34, 611881205), (65, 320060938), (85, 244752482), (130, 160030469), (170, 122376241), (221, 94135570), (442, 47067785), (929, 22393930), (1105, 18827114), (1858, 11196965), (2210, 9413557), (4645, 4478786), (9290, 2239393), (10133, 2053090), (12077, 1722610), (15793, 1317290), (20266, 1026545), (24154, 861305), (31586, 658645), (50665, 410618), (60385, 344522), (78965, 263458), (101330, 205309), (120770, 172261), (131729, 157930)]