20512019885

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{733489}}^1$

素因数の和:733565

約数の個数: 32

約数和(自身を含む): 30419297280

約数和(自身を除く): 9907277395

約数列:

[1, 5, 7, 17, 35, 47, 85, 119, 235, 329, 595, 799, 1645, 3995, 5593, 27965, 733489, 3667445, 5134423, 12469313, 25672115, 34473983, 62346565, 87285191, 172369915, 241317881, 436425955, 586057711, 1206589405, 2930288555, 4102403977, 20512019885]

約数ペア:

[(1, 20512019885), (5, 4102403977), (7, 2930288555), (17, 1206589405), (35, 586057711), (47, 436425955), (85, 241317881), (119, 172369915), (235, 87285191), (329, 62346565), (595, 34473983), (799, 25672115), (1645, 12469313), (3995, 5134423), (5593, 3667445), (27965, 733489)]