20716245

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41851}}^1$

素因数の和:41873

約数の個数: 24

約数和(自身を含む): 39173472

約数和(自身を除く): 18457227

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 495, 41851, 125553, 209255, 376659, 460361, 627765, 1381083, 1883295, 2301805, 4143249, 6905415, 20716245]

約数ペア:

[(1, 20716245), (3, 6905415), (5, 4143249), (9, 2301805), (11, 1883295), (15, 1381083), (33, 627765), (45, 460361), (55, 376659), (99, 209255), (165, 125553), (495, 41851)]