20510928

素因数分解:

$2^4\times 3^3\times {\mathrm{79}}^1\times {\mathrm{601}}^1$

素因数の和:697

約数の個数: 80

約数和(自身を含む): 59718400

約数和(自身を除く): 39207472

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 79, 108, 144, 158, 216, 237, 316, 432, 474, 601, 632, 711, 948, 1202, 1264, 1422, 1803, 1896, 2133, 2404, 2844, 3606, 3792, 4266, 4808, 5409, 5688, 7212, 8532, 9616, 10818, 11376, 14424, 16227, 17064, 21636, 28848, 32454, 34128, 43272, 47479, 64908, 86544, 94958, 129816, 142437, 189916, 259632, 284874, 379832, 427311, 569748, 759664, 854622, 1139496, 1281933, 1709244, 2278992, 2563866, 3418488, 5127732, 6836976, 10255464, 20510928]

約数ペア:

[(1, 20510928), (2, 10255464), (3, 6836976), (4, 5127732), (6, 3418488), (8, 2563866), (9, 2278992), (12, 1709244), (16, 1281933), (18, 1139496), (24, 854622), (27, 759664), (36, 569748), (48, 427311), (54, 379832), (72, 284874), (79, 259632), (108, 189916), (144, 142437), (158, 129816), (216, 94958), (237, 86544), (316, 64908), (432, 47479), (474, 43272), (601, 34128), (632, 32454), (711, 28848), (948, 21636), (1202, 17064), (1264, 16227), (1422, 14424), (1803, 11376), (1896, 10818), (2133, 9616), (2404, 8532), (2844, 7212), (3606, 5688), (3792, 5409), (4266, 4808)]