20164453375

素因数分解:

$5^3\times {\mathrm{11}}^2\times {\mathrm{131}}^1\times {\mathrm{10177}}^1$

素因数の和:10345

約数の個数: 48

約数和(自身を含む): 27874855008

約数和(自身を除く): 7710401633

約数列:

[1, 5, 11, 25, 55, 121, 125, 131, 275, 605, 655, 1375, 1441, 3025, 3275, 7205, 10177, 15125, 15851, 16375, 36025, 50885, 79255, 111947, 180125, 254425, 396275, 559735, 1231417, 1272125, 1333187, 1981375, 2798675, 6157085, 6665935, 13993375, 14665057, 30785425, 33329675, 73325285, 153927125, 161315627, 166648375, 366626425, 806578135, 1833132125, 4032890675, 20164453375]

約数ペア:

[(1, 20164453375), (5, 4032890675), (11, 1833132125), (25, 806578135), (55, 366626425), (121, 166648375), (125, 161315627), (131, 153927125), (275, 73325285), (605, 33329675), (655, 30785425), (1375, 14665057), (1441, 13993375), (3025, 6665935), (3275, 6157085), (7205, 2798675), (10177, 1981375), (15125, 1333187), (15851, 1272125), (16375, 1231417), (36025, 559735), (50885, 396275), (79255, 254425), (111947, 180125)]