20466915

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{421}}^1\times {\mathrm{463}}^1$

素因数の和:899

約数の個数: 32

約数和(自身を含む): 37595136

約数和(自身を除く): 17128221

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 421, 463, 1263, 1389, 2105, 2315, 2947, 3241, 6315, 6945, 8841, 9723, 14735, 16205, 44205, 48615, 194923, 584769, 974615, 1364461, 2923845, 4093383, 6822305, 20466915]

約数ペア:

[(1, 20466915), (3, 6822305), (5, 4093383), (7, 2923845), (15, 1364461), (21, 974615), (35, 584769), (105, 194923), (421, 48615), (463, 44205), (1263, 16205), (1389, 14735), (2105, 9723), (2315, 8841), (2947, 6945), (3241, 6315)]