20172950312

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{311}}^1\times {\mathrm{8999}}^1$

素因数の和:9386

約数の個数: 64

約数和(自身を含む): 40940640000

約数和(自身を除く): 20767689688

約数列:

[1, 2, 4, 8, 17, 34, 53, 68, 106, 136, 212, 311, 424, 622, 901, 1244, 1802, 2488, 3604, 5287, 7208, 8999, 10574, 16483, 17998, 21148, 32966, 35996, 42296, 65932, 71992, 131864, 152983, 280211, 305966, 476947, 560422, 611932, 953894, 1120844, 1223864, 1907788, 2241688, 2798689, 3815576, 5597378, 8108099, 11194756, 16216198, 22389512, 32432396, 47577713, 64864792, 95155426, 148330517, 190310852, 296661034, 380621704, 593322068, 1186644136, 2521618789, 5043237578, 10086475156, 20172950312]

約数ペア:

[(1, 20172950312), (2, 10086475156), (4, 5043237578), (8, 2521618789), (17, 1186644136), (34, 593322068), (53, 380621704), (68, 296661034), (106, 190310852), (136, 148330517), (212, 95155426), (311, 64864792), (424, 47577713), (622, 32432396), (901, 22389512), (1244, 16216198), (1802, 11194756), (2488, 8108099), (3604, 5597378), (5287, 3815576), (7208, 2798689), (8999, 2241688), (10574, 1907788), (16483, 1223864), (17998, 1120844), (21148, 953894), (32966, 611932), (35996, 560422), (42296, 476947), (65932, 305966), (71992, 280211), (131864, 152983)]