20783532

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{271}}^1$

素因数の和:379

約数の個数: 96

約数和(自身を含む): 61415424

約数和(自身を除く): 40631892

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 44, 66, 77, 83, 84, 132, 154, 166, 231, 249, 271, 308, 332, 462, 498, 542, 581, 813, 913, 924, 996, 1084, 1162, 1626, 1743, 1826, 1897, 2324, 2739, 2981, 3252, 3486, 3652, 3794, 5478, 5691, 5962, 6391, 6972, 7588, 8943, 10956, 11382, 11924, 12782, 17886, 19173, 20867, 22493, 22764, 25564, 35772, 38346, 41734, 44986, 62601, 67479, 76692, 83468, 89972, 125202, 134958, 157451, 247423, 250404, 269916, 314902, 472353, 494846, 629804, 742269, 944706, 989692, 1484538, 1731961, 1889412, 2969076, 3463922, 5195883, 6927844, 10391766, 20783532]

約数ペア:

[(1, 20783532), (2, 10391766), (3, 6927844), (4, 5195883), (6, 3463922), (7, 2969076), (11, 1889412), (12, 1731961), (14, 1484538), (21, 989692), (22, 944706), (28, 742269), (33, 629804), (42, 494846), (44, 472353), (66, 314902), (77, 269916), (83, 250404), (84, 247423), (132, 157451), (154, 134958), (166, 125202), (231, 89972), (249, 83468), (271, 76692), (308, 67479), (332, 62601), (462, 44986), (498, 41734), (542, 38346), (581, 35772), (813, 25564), (913, 22764), (924, 22493), (996, 20867), (1084, 19173), (1162, 17886), (1626, 12782), (1743, 11924), (1826, 11382), (1897, 10956), (2324, 8943), (2739, 7588), (2981, 6972), (3252, 6391), (3486, 5962), (3652, 5691), (3794, 5478)]