20089965

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{2621}}^1$

素因数の和:2709

約数の個数: 32

約数和(自身を含む): 37253376

約数和(自身を除く): 17163411

約数列:

[1, 3, 5, 7, 15, 21, 35, 73, 105, 219, 365, 511, 1095, 1533, 2555, 2621, 7665, 7863, 13105, 18347, 39315, 55041, 91735, 191333, 275205, 573999, 956665, 1339331, 2869995, 4017993, 6696655, 20089965]

約数ペア:

[(1, 20089965), (3, 6696655), (5, 4017993), (7, 2869995), (15, 1339331), (21, 956665), (35, 573999), (73, 275205), (105, 191333), (219, 91735), (365, 55041), (511, 39315), (1095, 18347), (1533, 13105), (2555, 7863), (2621, 7665)]