16720817665

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{93077}}^1$

素因数の和:93193

約数の個数: 32

約数和(自身を含む): 22160010240

約数和(自身を除く): 5439192575

約数列:

[1, 5, 19, 31, 61, 95, 155, 305, 589, 1159, 1891, 2945, 5795, 9455, 35929, 93077, 179645, 465385, 1768463, 2885387, 5677697, 8842315, 14426935, 28388485, 54822353, 107876243, 176008607, 274111765, 539381215, 880043035, 3344163533, 16720817665]

約数ペア:

[(1, 16720817665), (5, 3344163533), (19, 880043035), (31, 539381215), (61, 274111765), (95, 176008607), (155, 107876243), (305, 54822353), (589, 28388485), (1159, 14426935), (1891, 8842315), (2945, 5677697), (5795, 2885387), (9455, 1768463), (35929, 465385), (93077, 179645)]