20895945

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{1567}}^1$

素因数の和:1709

約数の個数: 32

約数和(自身を含む): 38535168

約数和(自身を除く): 17639223

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 127, 381, 635, 889, 1567, 1905, 2667, 4445, 4701, 7835, 10969, 13335, 23505, 32907, 54845, 164535, 199009, 597027, 995045, 1393063, 2985135, 4179189, 6965315, 20895945]

約数ペア:

[(1, 20895945), (3, 6965315), (5, 4179189), (7, 2985135), (15, 1393063), (21, 995045), (35, 597027), (105, 199009), (127, 164535), (381, 54845), (635, 32907), (889, 23505), (1567, 13335), (1905, 10969), (2667, 7835), (4445, 4701)]