20524383

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{47}}^1\times {\mathrm{401}}^1$

素因数の和:476

約数の個数: 36

約数和(自身を含む): 33362784

約数和(自身を除く): 12838401

約数列:

[1, 3, 9, 11, 33, 47, 99, 121, 141, 363, 401, 423, 517, 1089, 1203, 1551, 3609, 4411, 4653, 5687, 13233, 17061, 18847, 39699, 48521, 51183, 56541, 145563, 169623, 207317, 436689, 621951, 1865853, 2280487, 6841461, 20524383]

約数ペア:

[(1, 20524383), (3, 6841461), (9, 2280487), (11, 1865853), (33, 621951), (47, 436689), (99, 207317), (121, 169623), (141, 145563), (363, 56541), (401, 51183), (423, 48521), (517, 39699), (1089, 18847), (1203, 17061), (1551, 13233), (3609, 5687), (4411, 4653)]