20194469405

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1\times {\mathrm{2087}}^1$

素因数の和:2330

約数の個数: 64

約数和(自身を含む): 28575866880

約数和(自身を除く): 8381397475

約数列:

[1, 5, 11, 17, 55, 79, 85, 131, 187, 395, 655, 869, 935, 1343, 1441, 2087, 2227, 4345, 6715, 7205, 10349, 10435, 11135, 14773, 22957, 24497, 35479, 51745, 73865, 113839, 114785, 122485, 164873, 175933, 177395, 273397, 390269, 569195, 824365, 879665, 1366985, 1813603, 1935263, 1951345, 2802841, 3007367, 4647749, 9068015, 9676315, 14014205, 15036835, 21598363, 23238745, 30831251, 51125239, 107991815, 154156255, 237581993, 255626195, 367172171, 1187909965, 1835860855, 4038893881, 20194469405]

約数ペア:

[(1, 20194469405), (5, 4038893881), (11, 1835860855), (17, 1187909965), (55, 367172171), (79, 255626195), (85, 237581993), (131, 154156255), (187, 107991815), (395, 51125239), (655, 30831251), (869, 23238745), (935, 21598363), (1343, 15036835), (1441, 14014205), (2087, 9676315), (2227, 9068015), (4345, 4647749), (6715, 3007367), (7205, 2802841), (10349, 1951345), (10435, 1935263), (11135, 1813603), (14773, 1366985), (22957, 879665), (24497, 824365), (35479, 569195), (51745, 390269), (73865, 273397), (113839, 177395), (114785, 175933), (122485, 164873)]