20014624

素因数分解:

$2^5\times 7^1\times {\mathrm{199}}^1\times {\mathrm{449}}^1$

素因数の和:665

約数の個数: 48

約数和(自身を含む): 45360000

約数和(自身を除く): 25345376

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 199, 224, 398, 449, 796, 898, 1393, 1592, 1796, 2786, 3143, 3184, 3592, 5572, 6286, 6368, 7184, 11144, 12572, 14368, 22288, 25144, 44576, 50288, 89351, 100576, 178702, 357404, 625457, 714808, 1250914, 1429616, 2501828, 2859232, 5003656, 10007312, 20014624]

約数ペア:

[(1, 20014624), (2, 10007312), (4, 5003656), (7, 2859232), (8, 2501828), (14, 1429616), (16, 1250914), (28, 714808), (32, 625457), (56, 357404), (112, 178702), (199, 100576), (224, 89351), (398, 50288), (449, 44576), (796, 25144), (898, 22288), (1393, 14368), (1592, 12572), (1796, 11144), (2786, 7184), (3143, 6368), (3184, 6286), (3592, 5572)]