20486466

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{379}}^1$

素因数の和:421

約数の個数: 128

約数和(自身を含む): 61286400

約数和(自身を除く): 40799934

約数列:

[1, 2, 3, 6, 7, 9, 11, 13, 14, 18, 21, 22, 26, 27, 33, 39, 42, 54, 63, 66, 77, 78, 91, 99, 117, 126, 143, 154, 182, 189, 198, 231, 234, 273, 286, 297, 351, 378, 379, 429, 462, 546, 594, 693, 702, 758, 819, 858, 1001, 1137, 1287, 1386, 1638, 2002, 2079, 2274, 2457, 2574, 2653, 3003, 3411, 3861, 4158, 4169, 4914, 4927, 5306, 6006, 6822, 7722, 7959, 8338, 9009, 9854, 10233, 12507, 14781, 15918, 18018, 20466, 23877, 25014, 27027, 29183, 29562, 34489, 37521, 44343, 47754, 54054, 54197, 58366, 68978, 71631, 75042, 87549, 88686, 103467, 108394, 112563, 133029, 143262, 162591, 175098, 206934, 225126, 262647, 266058, 310401, 325182, 379379, 487773, 525294, 620802, 758758, 787941, 931203, 975546, 1138137, 1463319, 1575882, 1862406, 2276274, 2926638, 3414411, 6828822, 10243233, 20486466]

約数ペア:

[(1, 20486466), (2, 10243233), (3, 6828822), (6, 3414411), (7, 2926638), (9, 2276274), (11, 1862406), (13, 1575882), (14, 1463319), (18, 1138137), (21, 975546), (22, 931203), (26, 787941), (27, 758758), (33, 620802), (39, 525294), (42, 487773), (54, 379379), (63, 325182), (66, 310401), (77, 266058), (78, 262647), (91, 225126), (99, 206934), (117, 175098), (126, 162591), (143, 143262), (154, 133029), (182, 112563), (189, 108394), (198, 103467), (231, 88686), (234, 87549), (273, 75042), (286, 71631), (297, 68978), (351, 58366), (378, 54197), (379, 54054), (429, 47754), (462, 44343), (546, 37521), (594, 34489), (693, 29562), (702, 29183), (758, 27027), (819, 25014), (858, 23877), (1001, 20466), (1137, 18018), (1287, 15918), (1386, 14781), (1638, 12507), (2002, 10233), (2079, 9854), (2274, 9009), (2457, 8338), (2574, 7959), (2653, 7722), (3003, 6822), (3411, 6006), (3861, 5306), (4158, 4927), (4169, 4914)]