20443065

素因数分解:

$3^1\times 5^1\times {\mathrm{257}}^1\times {\mathrm{5303}}^1$

素因数の和:5568

約数の個数: 16

約数和(自身を含む): 32842368

約数和(自身を除く): 12399303

約数列:

[1, 3, 5, 15, 257, 771, 1285, 3855, 5303, 15909, 26515, 79545, 1362871, 4088613, 6814355, 20443065]

約数ペア:

[(1, 20443065), (3, 6814355), (5, 4088613), (15, 1362871), (257, 79545), (771, 26515), (1285, 15909), (3855, 5303)]