20189758617

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{409}}^1\times {\mathrm{659}}^1$

素因数の和:1151

約数の個数: 96

約数和(自身を含む): 35459424000

約数和(自身を除く): 15269665383

約数列:

[1, 3, 7, 9, 21, 29, 41, 63, 87, 123, 203, 261, 287, 369, 409, 609, 659, 861, 1189, 1227, 1827, 1977, 2583, 2863, 3567, 3681, 4613, 5931, 8323, 8589, 10701, 11861, 13839, 16769, 19111, 24969, 25767, 27019, 35583, 41517, 50307, 57333, 74907, 81057, 83027, 106749, 117383, 133777, 150921, 171999, 189133, 243171, 249081, 269531, 352149, 401331, 486301, 567399, 747243, 783551, 808593, 1056447, 1203993, 1458903, 1702197, 1886717, 2350653, 2425779, 3404107, 4376709, 5484857, 5660151, 7051959, 7816399, 10212321, 11050771, 16454571, 16980453, 23449197, 30636963, 33152313, 49363713, 54714793, 70347591, 77355397, 99456939, 164144379, 232066191, 320472359, 492433137, 696198573, 961417077, 2243306513, 2884251231, 6729919539, 20189758617]

約数ペア:

[(1, 20189758617), (3, 6729919539), (7, 2884251231), (9, 2243306513), (21, 961417077), (29, 696198573), (41, 492433137), (63, 320472359), (87, 232066191), (123, 164144379), (203, 99456939), (261, 77355397), (287, 70347591), (369, 54714793), (409, 49363713), (609, 33152313), (659, 30636963), (861, 23449197), (1189, 16980453), (1227, 16454571), (1827, 11050771), (1977, 10212321), (2583, 7816399), (2863, 7051959), (3567, 5660151), (3681, 5484857), (4613, 4376709), (5931, 3404107), (8323, 2425779), (8589, 2350653), (10701, 1886717), (11861, 1702197), (13839, 1458903), (16769, 1203993), (19111, 1056447), (24969, 808593), (25767, 783551), (27019, 747243), (35583, 567399), (41517, 486301), (50307, 401331), (57333, 352149), (74907, 269531), (81057, 249081), (83027, 243171), (106749, 189133), (117383, 171999), (133777, 150921)]