20811312

素因数分解:

$2^4\times 3^2\times {\mathrm{43}}^1\times {\mathrm{3361}}^1$

素因数の和:3418

約数の個数: 60

約数和(自身を含む): 59614984

約数和(自身を除く): 38803672

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 43, 48, 72, 86, 129, 144, 172, 258, 344, 387, 516, 688, 774, 1032, 1548, 2064, 3096, 3361, 6192, 6722, 10083, 13444, 20166, 26888, 30249, 40332, 53776, 60498, 80664, 120996, 144523, 161328, 241992, 289046, 433569, 483984, 578092, 867138, 1156184, 1300707, 1734276, 2312368, 2601414, 3468552, 5202828, 6937104, 10405656, 20811312]

約数ペア:

[(1, 20811312), (2, 10405656), (3, 6937104), (4, 5202828), (6, 3468552), (8, 2601414), (9, 2312368), (12, 1734276), (16, 1300707), (18, 1156184), (24, 867138), (36, 578092), (43, 483984), (48, 433569), (72, 289046), (86, 241992), (129, 161328), (144, 144523), (172, 120996), (258, 80664), (344, 60498), (387, 53776), (516, 40332), (688, 30249), (774, 26888), (1032, 20166), (1548, 13444), (2064, 10083), (3096, 6722), (3361, 6192)]