20394315

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{7951}}^1$

素因数の和:7984

約数の個数: 32

約数和(自身を含む): 38169600

約数和(自身を除く): 17775285

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 95, 135, 171, 285, 513, 855, 2565, 7951, 23853, 39755, 71559, 119265, 151069, 214677, 357795, 453207, 755345, 1073385, 1359621, 2266035, 4078863, 6798105, 20394315]

約数ペア:

[(1, 20394315), (3, 6798105), (5, 4078863), (9, 2266035), (15, 1359621), (19, 1073385), (27, 755345), (45, 453207), (57, 357795), (95, 214677), (135, 151069), (171, 119265), (285, 71559), (513, 39755), (855, 23853), (2565, 7951)]