20813958

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{3391}}^1$

素因数の和:3441

約数の個数: 48

約数和(自身を含む): 50798592

約数和(自身を除く): 29984634

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 31, 33, 62, 66, 93, 99, 186, 198, 279, 341, 558, 682, 1023, 2046, 3069, 3391, 6138, 6782, 10173, 20346, 30519, 37301, 61038, 74602, 105121, 111903, 210242, 223806, 315363, 335709, 630726, 671418, 946089, 1156331, 1892178, 2312662, 3468993, 6937986, 10406979, 20813958]

約数ペア:

[(1, 20813958), (2, 10406979), (3, 6937986), (6, 3468993), (9, 2312662), (11, 1892178), (18, 1156331), (22, 946089), (31, 671418), (33, 630726), (62, 335709), (66, 315363), (93, 223806), (99, 210242), (186, 111903), (198, 105121), (279, 74602), (341, 61038), (558, 37301), (682, 30519), (1023, 20346), (2046, 10173), (3069, 6782), (3391, 6138)]