20863995

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{3853}}^1$

素因数の和:3899

約数の個数: 24

約数和(自身を含む): 35240976

約数和(自身を除く): 14376981

約数列:

[1, 3, 5, 15, 19, 57, 95, 285, 361, 1083, 1805, 3853, 5415, 11559, 19265, 57795, 73207, 219621, 366035, 1098105, 1390933, 4172799, 6954665, 20863995]

約数ペア:

[(1, 20863995), (3, 6954665), (5, 4172799), (15, 1390933), (19, 1098105), (57, 366035), (95, 219621), (285, 73207), (361, 57795), (1083, 19265), (1805, 11559), (3853, 5415)]