20699445

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{1051}}^1$

素因数の和:1173

約数の個数: 32

約数和(自身を含む): 36054144

約数和(自身を除く): 15354699

約数列:

[1, 3, 5, 13, 15, 39, 65, 101, 195, 303, 505, 1051, 1313, 1515, 3153, 3939, 5255, 6565, 13663, 15765, 19695, 40989, 68315, 106151, 204945, 318453, 530755, 1379963, 1592265, 4139889, 6899815, 20699445]

約数ペア:

[(1, 20699445), (3, 6899815), (5, 4139889), (13, 1592265), (15, 1379963), (39, 530755), (65, 318453), (101, 204945), (195, 106151), (303, 68315), (505, 40989), (1051, 19695), (1313, 15765), (1515, 13663), (3153, 6565), (3939, 5255)]