20512254345

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{624707}}^1$

素因数の和:624925

約数の個数: 32

約数和(自身を含む): 35983180800

約数和(自身を除く): 15470926455

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 199, 597, 995, 2189, 2985, 6567, 10945, 32835, 624707, 1874121, 3123535, 6871777, 9370605, 20615331, 34358885, 103076655, 124316693, 372950079, 621583465, 1367483623, 1864750395, 4102450869, 6837418115, 20512254345]

約数ペア:

[(1, 20512254345), (3, 6837418115), (5, 4102450869), (11, 1864750395), (15, 1367483623), (33, 621583465), (55, 372950079), (165, 124316693), (199, 103076655), (597, 34358885), (995, 20615331), (2189, 9370605), (2985, 6871777), (6567, 3123535), (10945, 1874121), (32835, 624707)]