20792828

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{389}}^1$

素因数の和:506

約数の個数: 48

約数和(自身を含む): 44029440

約数和(自身を除く): 23236612

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 83, 92, 161, 166, 322, 332, 389, 581, 644, 778, 1162, 1556, 1909, 2324, 2723, 3818, 5446, 7636, 8947, 10892, 13363, 17894, 26726, 32287, 35788, 53452, 62629, 64574, 125258, 129148, 226009, 250516, 452018, 742601, 904036, 1485202, 2970404, 5198207, 10396414, 20792828]

約数ペア:

[(1, 20792828), (2, 10396414), (4, 5198207), (7, 2970404), (14, 1485202), (23, 904036), (28, 742601), (46, 452018), (83, 250516), (92, 226009), (161, 129148), (166, 125258), (322, 64574), (332, 62629), (389, 53452), (581, 35788), (644, 32287), (778, 26726), (1162, 17894), (1556, 13363), (1909, 10892), (2324, 8947), (2723, 7636), (3818, 5446)]