20236788

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{3931}}^1$

素因数の和:3965

約数の個数: 72

約数和(自身を含む): 60112416

約数和(自身を除く): 39875628

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 13, 18, 22, 26, 33, 36, 39, 44, 52, 66, 78, 99, 117, 132, 143, 156, 198, 234, 286, 396, 429, 468, 572, 858, 1287, 1716, 2574, 3931, 5148, 7862, 11793, 15724, 23586, 35379, 43241, 47172, 51103, 70758, 86482, 102206, 129723, 141516, 153309, 172964, 204412, 259446, 306618, 389169, 459927, 518892, 562133, 613236, 778338, 919854, 1124266, 1556676, 1686399, 1839708, 2248532, 3372798, 5059197, 6745596, 10118394, 20236788]

約数ペア:

[(1, 20236788), (2, 10118394), (3, 6745596), (4, 5059197), (6, 3372798), (9, 2248532), (11, 1839708), (12, 1686399), (13, 1556676), (18, 1124266), (22, 919854), (26, 778338), (33, 613236), (36, 562133), (39, 518892), (44, 459927), (52, 389169), (66, 306618), (78, 259446), (99, 204412), (117, 172964), (132, 153309), (143, 141516), (156, 129723), (198, 102206), (234, 86482), (286, 70758), (396, 51103), (429, 47172), (468, 43241), (572, 35379), (858, 23586), (1287, 15724), (1716, 11793), (2574, 7862), (3931, 5148)]