20656152

素因数分解:

$2^3\times 3^2\times {\mathrm{11}}^2\times {\mathrm{2371}}^1$

素因数の和:2405

約数の個数: 72

約数和(自身を含む): 61517820

約数和(自身を除く): 40861668

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 24, 33, 36, 44, 66, 72, 88, 99, 121, 132, 198, 242, 264, 363, 396, 484, 726, 792, 968, 1089, 1452, 2178, 2371, 2904, 4356, 4742, 7113, 8712, 9484, 14226, 18968, 21339, 26081, 28452, 42678, 52162, 56904, 78243, 85356, 104324, 156486, 170712, 208648, 234729, 286891, 312972, 469458, 573782, 625944, 860673, 938916, 1147564, 1721346, 1877832, 2295128, 2582019, 3442692, 5164038, 6885384, 10328076, 20656152]

約数ペア:

[(1, 20656152), (2, 10328076), (3, 6885384), (4, 5164038), (6, 3442692), (8, 2582019), (9, 2295128), (11, 1877832), (12, 1721346), (18, 1147564), (22, 938916), (24, 860673), (33, 625944), (36, 573782), (44, 469458), (66, 312972), (72, 286891), (88, 234729), (99, 208648), (121, 170712), (132, 156486), (198, 104324), (242, 85356), (264, 78243), (363, 56904), (396, 52162), (484, 42678), (726, 28452), (792, 26081), (968, 21339), (1089, 18968), (1452, 14226), (2178, 9484), (2371, 8712), (2904, 7113), (4356, 4742)]