20431291265

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{1277}}^1\times {\mathrm{1433}}^1$

素因数の和:2762

約数の個数: 64

約数和(自身を含む): 31668226560

約数和(自身を除く): 11236935295

約数列:

[1, 5, 7, 11, 29, 35, 55, 77, 145, 203, 319, 385, 1015, 1277, 1433, 1595, 2233, 6385, 7165, 8939, 10031, 11165, 14047, 15763, 37033, 41557, 44695, 50155, 70235, 78815, 98329, 110341, 185165, 207785, 259231, 290899, 407363, 457127, 491645, 551705, 1296155, 1454495, 1829941, 2036815, 2285635, 2851541, 3199889, 9149705, 12809587, 14257705, 15999445, 20129351, 53068289, 64047935, 100646755, 140905457, 265341445, 371478023, 583751179, 704527285, 1857390115, 2918755895, 4086258253, 20431291265]

約数ペア:

[(1, 20431291265), (5, 4086258253), (7, 2918755895), (11, 1857390115), (29, 704527285), (35, 583751179), (55, 371478023), (77, 265341445), (145, 140905457), (203, 100646755), (319, 64047935), (385, 53068289), (1015, 20129351), (1277, 15999445), (1433, 14257705), (1595, 12809587), (2233, 9149705), (6385, 3199889), (7165, 2851541), (8939, 2285635), (10031, 2036815), (11165, 1829941), (14047, 1454495), (15763, 1296155), (37033, 551705), (41557, 491645), (44695, 457127), (50155, 407363), (70235, 290899), (78815, 259231), (98329, 207785), (110341, 185165)]