20101455

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{40609}}^1$

素因数の和:40631

約数の個数: 24

約数和(自身を含む): 38010960

約数和(自身を除く): 17909505

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 495, 40609, 121827, 203045, 365481, 446699, 609135, 1340097, 1827405, 2233495, 4020291, 6700485, 20101455]

約数ペア:

[(1, 20101455), (3, 6700485), (5, 4020291), (9, 2233495), (11, 1827405), (15, 1340097), (33, 609135), (45, 446699), (55, 365481), (99, 203045), (165, 121827), (495, 40609)]