20786766

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{3461}}^1$

素因数の和:3497

約数の個数: 64

約数和(自身を含む): 55835136

約数和(自身を除く): 35048370

約数列:

[1, 2, 3, 6, 7, 11, 13, 14, 21, 22, 26, 33, 39, 42, 66, 77, 78, 91, 143, 154, 182, 231, 273, 286, 429, 462, 546, 858, 1001, 2002, 3003, 3461, 6006, 6922, 10383, 20766, 24227, 38071, 44993, 48454, 72681, 76142, 89986, 114213, 134979, 145362, 228426, 266497, 269958, 314951, 494923, 532994, 629902, 799491, 944853, 989846, 1484769, 1598982, 1889706, 2969538, 3464461, 6928922, 10393383, 20786766]

約数ペア:

[(1, 20786766), (2, 10393383), (3, 6928922), (6, 3464461), (7, 2969538), (11, 1889706), (13, 1598982), (14, 1484769), (21, 989846), (22, 944853), (26, 799491), (33, 629902), (39, 532994), (42, 494923), (66, 314951), (77, 269958), (78, 266497), (91, 228426), (143, 145362), (154, 134979), (182, 114213), (231, 89986), (273, 76142), (286, 72681), (429, 48454), (462, 44993), (546, 38071), (858, 24227), (1001, 20766), (2002, 10383), (3003, 6922), (3461, 6006)]