20004060

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{3301}}^1$

素因数の和:3414

約数の個数: 48

約数和(自身を含む): 56583072

約数和(自身を除く): 36579012

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 101, 202, 303, 404, 505, 606, 1010, 1212, 1515, 2020, 3030, 3301, 6060, 6602, 9903, 13204, 16505, 19806, 33010, 39612, 49515, 66020, 99030, 198060, 333401, 666802, 1000203, 1333604, 1667005, 2000406, 3334010, 4000812, 5001015, 6668020, 10002030, 20004060]

約数ペア:

[(1, 20004060), (2, 10002030), (3, 6668020), (4, 5001015), (5, 4000812), (6, 3334010), (10, 2000406), (12, 1667005), (15, 1333604), (20, 1000203), (30, 666802), (60, 333401), (101, 198060), (202, 99030), (303, 66020), (404, 49515), (505, 39612), (606, 33010), (1010, 19806), (1212, 16505), (1515, 13204), (2020, 9903), (3030, 6602), (3301, 6060)]