20955228

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{2803}}^1$

素因数の和:2906

約数の個数: 48

約数和(自身を含む): 56528640

約数和(自身を除く): 35573412

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 89, 178, 267, 356, 534, 623, 1068, 1246, 1869, 2492, 2803, 3738, 5606, 7476, 8409, 11212, 16818, 19621, 33636, 39242, 58863, 78484, 117726, 235452, 249467, 498934, 748401, 997868, 1496802, 1746269, 2993604, 3492538, 5238807, 6985076, 10477614, 20955228]

約数ペア:

[(1, 20955228), (2, 10477614), (3, 6985076), (4, 5238807), (6, 3492538), (7, 2993604), (12, 1746269), (14, 1496802), (21, 997868), (28, 748401), (42, 498934), (84, 249467), (89, 235452), (178, 117726), (267, 78484), (356, 58863), (534, 39242), (623, 33636), (1068, 19621), (1246, 16818), (1869, 11212), (2492, 8409), (2803, 7476), (3738, 5606)]