20738795

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{59}}^1\times {\mathrm{83}}^1$

素因数の和:176

約数の個数: 48

約数和(自身を含む): 32175360

約数和(自身を除く): 11436565

約数列:

[1, 5, 7, 11, 35, 55, 59, 77, 83, 121, 295, 385, 413, 415, 581, 605, 649, 847, 913, 2065, 2905, 3245, 4235, 4543, 4565, 4897, 6391, 7139, 10043, 22715, 24485, 31955, 34279, 35695, 49973, 50215, 53867, 70301, 171395, 249865, 269335, 351505, 377069, 592537, 1885345, 2962685, 4147759, 20738795]

約数ペア:

[(1, 20738795), (5, 4147759), (7, 2962685), (11, 1885345), (35, 592537), (55, 377069), (59, 351505), (77, 269335), (83, 249865), (121, 171395), (295, 70301), (385, 53867), (413, 50215), (415, 49973), (581, 35695), (605, 34279), (649, 31955), (847, 24485), (913, 22715), (2065, 10043), (2905, 7139), (3245, 6391), (4235, 4897), (4543, 4565)]