20547681

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{88951}}^1$

素因数の和:88972

約数の個数: 16

約数和(自身を含む): 34157568

約数和(自身を除く): 13609887

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 88951, 266853, 622657, 978461, 1867971, 2935383, 6849227, 20547681]

約数ペア:

[(1, 20547681), (3, 6849227), (7, 2935383), (11, 1867971), (21, 978461), (33, 622657), (77, 266853), (231, 88951)]