20377581

素因数分解:

$3^1\times 7^2\times {\mathrm{67}}^1\times {\mathrm{2069}}^1$

素因数の和:2153

約数の個数: 24

約数和(自身を含む): 32093280

約数和(自身を除く): 11715699

約数列:

[1, 3, 7, 21, 49, 67, 147, 201, 469, 1407, 2069, 3283, 6207, 9849, 14483, 43449, 101381, 138623, 304143, 415869, 970361, 2911083, 6792527, 20377581]

約数ペア:

[(1, 20377581), (3, 6792527), (7, 2911083), (21, 970361), (49, 415869), (67, 304143), (147, 138623), (201, 101381), (469, 43449), (1407, 14483), (2069, 9849), (3283, 6207)]