20787822

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{1567}}^1$

素因数の和:1653

約数の個数: 48

約数和(自身を含む): 49900032

約数和(自身を除く): 29112210

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 67, 99, 134, 198, 201, 402, 603, 737, 1206, 1474, 1567, 2211, 3134, 4422, 4701, 6633, 9402, 13266, 14103, 17237, 28206, 34474, 51711, 103422, 104989, 155133, 209978, 310266, 314967, 629934, 944901, 1154879, 1889802, 2309758, 3464637, 6929274, 10393911, 20787822]

約数ペア:

[(1, 20787822), (2, 10393911), (3, 6929274), (6, 3464637), (9, 2309758), (11, 1889802), (18, 1154879), (22, 944901), (33, 629934), (66, 314967), (67, 310266), (99, 209978), (134, 155133), (198, 104989), (201, 103422), (402, 51711), (603, 34474), (737, 28206), (1206, 17237), (1474, 14103), (1567, 13266), (2211, 9402), (3134, 6633), (4422, 4701)]