12838420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{91703}}^1$

素因数の和:91719

約数の個数: 24

約数和(自身を含む): 30812544

約数和(自身を除く): 17974124

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 91703, 183406, 366812, 458515, 641921, 917030, 1283842, 1834060, 2567684, 3209605, 6419210, 12838420]

約数ペア:

[(1, 12838420), (2, 6419210), (4, 3209605), (5, 2567684), (7, 1834060), (10, 1283842), (14, 917030), (20, 641921), (28, 458515), (35, 366812), (70, 183406), (140, 91703)]