20012133057

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{352817}}^1$

素因数の和:352937

約数の個数: 32

約数和(自身を含む): 31747974912

約数和(自身を除く): 11735841855

約数列:

[1, 3, 7, 21, 37, 73, 111, 219, 259, 511, 777, 1533, 2701, 8103, 18907, 56721, 352817, 1058451, 2469719, 7409157, 13054229, 25755641, 39162687, 77266923, 91379603, 180289487, 274138809, 540868461, 952958717, 2858876151, 6670711019, 20012133057]

約数ペア:

[(1, 20012133057), (3, 6670711019), (7, 2858876151), (21, 952958717), (37, 540868461), (73, 274138809), (111, 180289487), (219, 91379603), (259, 77266923), (511, 39162687), (777, 25755641), (1533, 13054229), (2701, 7409157), (8103, 2469719), (18907, 1058451), (56721, 352817)]