20920302

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1753}}^1$

素因数の和:1794

約数の個数: 64

約数和(自身を含む): 53040960

約数和(自身を除く): 32120658

約数列:

[1, 2, 3, 6, 9, 13, 17, 18, 26, 27, 34, 39, 51, 54, 78, 102, 117, 153, 221, 234, 306, 351, 442, 459, 663, 702, 918, 1326, 1753, 1989, 3506, 3978, 5259, 5967, 10518, 11934, 15777, 22789, 29801, 31554, 45578, 47331, 59602, 68367, 89403, 94662, 136734, 178806, 205101, 268209, 387413, 410202, 536418, 615303, 774826, 804627, 1162239, 1230606, 1609254, 2324478, 3486717, 6973434, 10460151, 20920302]

約数ペア:

[(1, 20920302), (2, 10460151), (3, 6973434), (6, 3486717), (9, 2324478), (13, 1609254), (17, 1230606), (18, 1162239), (26, 804627), (27, 774826), (34, 615303), (39, 536418), (51, 410202), (54, 387413), (78, 268209), (102, 205101), (117, 178806), (153, 136734), (221, 94662), (234, 89403), (306, 68367), (351, 59602), (442, 47331), (459, 45578), (663, 31554), (702, 29801), (918, 22789), (1326, 15777), (1753, 11934), (1989, 10518), (3506, 5967), (3978, 5259)]