20005986

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{3331}}^1$

素因数の和:3367

約数の個数: 64

約数和(自身を含む): 53738496

約数和(自身を除く): 33732510

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, 3331, 6006, 6662, 9993, 19986, 23317, 36641, 43303, 46634, 69951, 73282, 86606, 109923, 129909, 139902, 219846, 256487, 259818, 303121, 476333, 512974, 606242, 769461, 909363, 952666, 1428999, 1538922, 1818726, 2857998, 3334331, 6668662, 10002993, 20005986]

約数ペア:

[(1, 20005986), (2, 10002993), (3, 6668662), (6, 3334331), (7, 2857998), (11, 1818726), (13, 1538922), (14, 1428999), (21, 952666), (22, 909363), (26, 769461), (33, 606242), (39, 512974), (42, 476333), (66, 303121), (77, 259818), (78, 256487), (91, 219846), (143, 139902), (154, 129909), (182, 109923), (231, 86606), (273, 73282), (286, 69951), (429, 46634), (462, 43303), (546, 36641), (858, 23317), (1001, 19986), (2002, 9993), (3003, 6662), (3331, 6006)]