20512019955

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{1491241}}^1$

素因数の和:1491387

約数の個数: 32

約数和(自身を含む): 37794037248

約数和(自身を除く): 17282017293

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 131, 393, 655, 917, 1965, 2751, 4585, 13755, 1491241, 4473723, 7456205, 10438687, 22368615, 31316061, 52193435, 156580305, 195352571, 586057713, 976762855, 1367467997, 2930288565, 4102403991, 6837339985, 20512019955]

約数ペア:

[(1, 20512019955), (3, 6837339985), (5, 4102403991), (7, 2930288565), (15, 1367467997), (21, 976762855), (35, 586057713), (105, 195352571), (131, 156580305), (393, 52193435), (655, 31316061), (917, 22368615), (1965, 10438687), (2751, 7456205), (4585, 4473723), (13755, 1491241)]