20580453555

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{80707661}}^1$

素因数の和:80707686

約数の個数: 16

約数和(自身を含む): 34865709984

約数和(自身を除く): 14285256429

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 80707661, 242122983, 403538305, 1210614915, 1372030237, 4116090711, 6860151185, 20580453555]

約数ペア:

[(1, 20580453555), (3, 6860151185), (5, 4116090711), (15, 1372030237), (17, 1210614915), (51, 403538305), (85, 242122983), (255, 80707661)]