20851503

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{8699}}^1$

素因数の和:8766

約数の個数: 16

約数和(自身を含む): 30067200

約数和(自身を除く): 9215697

約数列:

[1, 3, 17, 47, 51, 141, 799, 2397, 8699, 26097, 147883, 408853, 443649, 1226559, 6950501, 20851503]

約数ペア:

[(1, 20851503), (3, 6950501), (17, 1226559), (47, 443649), (51, 408853), (141, 147883), (799, 26097), (2397, 8699)]