20754525

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^2\times {\mathrm{2287}}^1$

素因数の和:2322

約数の個数: 36

約数和(自身を含む): 37733696

約数和(自身を除く): 16979171

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 121, 165, 275, 363, 605, 825, 1815, 2287, 3025, 6861, 9075, 11435, 25157, 34305, 57175, 75471, 125785, 171525, 276727, 377355, 628925, 830181, 1383635, 1886775, 4150905, 6918175, 20754525]

約数ペア:

[(1, 20754525), (3, 6918175), (5, 4150905), (11, 1886775), (15, 1383635), (25, 830181), (33, 628925), (55, 377355), (75, 276727), (121, 171525), (165, 125785), (275, 75471), (363, 57175), (605, 34305), (825, 25157), (1815, 11435), (2287, 9075), (3025, 6861)]