15895220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{72251}}^1$

素因数の和:72271

約数の個数: 24

約数和(自身を含む): 36415008

約数和(自身を除く): 20519788

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 72251, 144502, 289004, 361255, 722510, 794761, 1445020, 1589522, 3179044, 3973805, 7947610, 15895220]

約数ペア:

[(1, 15895220), (2, 7947610), (4, 3973805), (5, 3179044), (10, 1589522), (11, 1445020), (20, 794761), (22, 722510), (44, 361255), (55, 289004), (110, 144502), (220, 72251)]