20408068785

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{824069}}^1$

素因数の和:824217

約数の個数: 32

約数和(自身を含む): 35441602560

約数和(自身を除く): 15033533775

約数列:

[1, 3, 5, 13, 15, 39, 65, 127, 195, 381, 635, 1651, 1905, 4953, 8255, 24765, 824069, 2472207, 4120345, 10712897, 12361035, 32138691, 53564485, 104656763, 160693455, 313970289, 523283815, 1360537919, 1569851445, 4081613757, 6802689595, 20408068785]

約数ペア:

[(1, 20408068785), (3, 6802689595), (5, 4081613757), (13, 1569851445), (15, 1360537919), (39, 523283815), (65, 313970289), (127, 160693455), (195, 104656763), (381, 53564485), (635, 32138691), (1651, 12361035), (1905, 10712897), (4953, 4120345), (8255, 2472207), (24765, 824069)]