20321306

素因数分解:

$2^1\times {\mathrm{31}}^2\times {\mathrm{97}}^1\times {\mathrm{109}}^1$

素因数の和:270

約数の個数: 24

約数和(自身を含む): 32113620

約数和(自身を除く): 11792314

約数列:

[1, 2, 31, 62, 97, 109, 194, 218, 961, 1922, 3007, 3379, 6014, 6758, 10573, 21146, 93217, 104749, 186434, 209498, 327763, 655526, 10160653, 20321306]

約数ペア:

[(1, 20321306), (2, 10160653), (31, 655526), (62, 327763), (97, 209498), (109, 186434), (194, 104749), (218, 93217), (961, 21146), (1922, 10573), (3007, 6758), (3379, 6014)]