20201521605

素因数分解:

$3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{239}}^1\times {\mathrm{106321}}^1$

素因数の和:106621

約数の個数: 32

約数和(自身を含む): 33070394880

約数和(自身を除く): 12868873275

約数列:

[1, 3, 5, 15, 53, 159, 239, 265, 717, 795, 1195, 3585, 12667, 38001, 63335, 106321, 190005, 318963, 531605, 1594815, 5635013, 16905039, 25410719, 28175065, 76232157, 84525195, 127053595, 381160785, 1346768107, 4040304321, 6733840535, 20201521605]

約数ペア:

[(1, 20201521605), (3, 6733840535), (5, 4040304321), (15, 1346768107), (53, 381160785), (159, 127053595), (239, 84525195), (265, 76232157), (717, 28175065), (795, 25410719), (1195, 16905039), (3585, 5635013), (12667, 1594815), (38001, 531605), (63335, 318963), (106321, 190005)]