20560413315

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{646859}}^1$

素因数の和:647043

約数の個数: 32

約数和(自身を含む): 35644573440

約数和(自身を除く): 15084160125

約数列:

[1, 3, 5, 13, 15, 39, 65, 163, 195, 489, 815, 2119, 2445, 6357, 10595, 31785, 646859, 1940577, 3234295, 8409167, 9702885, 25227501, 42045835, 105438017, 126137505, 316314051, 527190085, 1370694221, 1581570255, 4112082663, 6853471105, 20560413315]

約数ペア:

[(1, 20560413315), (3, 6853471105), (5, 4112082663), (13, 1581570255), (15, 1370694221), (39, 527190085), (65, 316314051), (163, 126137505), (195, 105438017), (489, 42045835), (815, 25227501), (2119, 9702885), (2445, 8409167), (6357, 3234295), (10595, 1940577), (31785, 646859)]