12920670

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{20509}}^1$

素因数の和:20529

約数の個数: 48

約数和(自身を含む): 38394720

約数和(自身を除く): 25474050

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 20509, 41018, 61527, 102545, 123054, 143563, 184581, 205090, 287126, 307635, 369162, 430689, 615270, 717815, 861378, 922905, 1292067, 1435630, 1845810, 2153445, 2584134, 4306890, 6460335, 12920670]

約数ペア:

[(1, 12920670), (2, 6460335), (3, 4306890), (5, 2584134), (6, 2153445), (7, 1845810), (9, 1435630), (10, 1292067), (14, 922905), (15, 861378), (18, 717815), (21, 615270), (30, 430689), (35, 369162), (42, 307635), (45, 287126), (63, 205090), (70, 184581), (90, 143563), (105, 123054), (126, 102545), (210, 61527), (315, 41018), (630, 20509)]