20662635

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{641}}^1$

素因数の和:963

約数の個数: 32

約数和(自身を含む): 37965312

約数和(自身を除く): 17302677

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 307, 641, 921, 1535, 1923, 2149, 3205, 4487, 4605, 6447, 9615, 10745, 13461, 22435, 32235, 67305, 196787, 590361, 983935, 1377509, 2951805, 4132527, 6887545, 20662635]

約数ペア:

[(1, 20662635), (3, 6887545), (5, 4132527), (7, 2951805), (15, 1377509), (21, 983935), (35, 590361), (105, 196787), (307, 67305), (641, 32235), (921, 22435), (1535, 13461), (1923, 10745), (2149, 9615), (3205, 6447), (4487, 4605)]