20617674

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{4057}}^1$

素因数の和:4091

約数の個数: 48

約数和(自身を含む): 51812544

約数和(自身を除く): 31194870

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 66, 77, 121, 154, 231, 242, 363, 462, 726, 847, 1694, 2541, 4057, 5082, 8114, 12171, 24342, 28399, 44627, 56798, 85197, 89254, 133881, 170394, 267762, 312389, 490897, 624778, 937167, 981794, 1472691, 1874334, 2945382, 3436279, 6872558, 10308837, 20617674]

約数ペア:

[(1, 20617674), (2, 10308837), (3, 6872558), (6, 3436279), (7, 2945382), (11, 1874334), (14, 1472691), (21, 981794), (22, 937167), (33, 624778), (42, 490897), (66, 312389), (77, 267762), (121, 170394), (154, 133881), (231, 89254), (242, 85197), (363, 56798), (462, 44627), (726, 28399), (847, 24342), (1694, 12171), (2541, 8114), (4057, 5082)]