20884930

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{6547}}^1$

素因数の和:6594

約数の個数: 32

約数和(自身を含む): 42431040

約数和(自身を除く): 21546110

約数列:

[1, 2, 5, 10, 11, 22, 29, 55, 58, 110, 145, 290, 319, 638, 1595, 3190, 6547, 13094, 32735, 65470, 72017, 144034, 189863, 360085, 379726, 720170, 949315, 1898630, 2088493, 4176986, 10442465, 20884930]

約数ペア:

[(1, 20884930), (2, 10442465), (5, 4176986), (10, 2088493), (11, 1898630), (22, 949315), (29, 720170), (55, 379726), (58, 360085), (110, 189863), (145, 144034), (290, 72017), (319, 65470), (638, 32735), (1595, 13094), (3190, 6547)]