20741508

素因数分解:

$2^2\times 3^7\times {\mathrm{2371}}^1$

素因数の和:2396

約数の個数: 48

約数和(自身を含む): 54461120

約数和(自身を除く): 33719612

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 243, 324, 486, 729, 972, 1458, 2187, 2371, 2916, 4374, 4742, 7113, 8748, 9484, 14226, 21339, 28452, 42678, 64017, 85356, 128034, 192051, 256068, 384102, 576153, 768204, 1152306, 1728459, 2304612, 3456918, 5185377, 6913836, 10370754, 20741508]

約数ペア:

[(1, 20741508), (2, 10370754), (3, 6913836), (4, 5185377), (6, 3456918), (9, 2304612), (12, 1728459), (18, 1152306), (27, 768204), (36, 576153), (54, 384102), (81, 256068), (108, 192051), (162, 128034), (243, 85356), (324, 64017), (486, 42678), (729, 28452), (972, 21339), (1458, 14226), (2187, 9484), (2371, 8748), (2916, 7113), (4374, 4742)]