20212062

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{643}}^1$

素因数の和:705

約数の個数: 48

約数和(自身を含む): 45255168

約数和(自身を除く): 25043106

約数列:

[1, 2, 3, 6, 13, 26, 31, 39, 62, 78, 93, 169, 186, 338, 403, 507, 643, 806, 1014, 1209, 1286, 1929, 2418, 3858, 5239, 8359, 10478, 15717, 16718, 19933, 25077, 31434, 39866, 50154, 59799, 108667, 119598, 217334, 259129, 326001, 518258, 652002, 777387, 1554774, 3368677, 6737354, 10106031, 20212062]

約数ペア:

[(1, 20212062), (2, 10106031), (3, 6737354), (6, 3368677), (13, 1554774), (26, 777387), (31, 652002), (39, 518258), (62, 326001), (78, 259129), (93, 217334), (169, 119598), (186, 108667), (338, 59799), (403, 50154), (507, 39866), (643, 31434), (806, 25077), (1014, 19933), (1209, 16718), (1286, 15717), (1929, 10478), (2418, 8359), (3858, 5239)]