20196105

素因数分解:

$3^1\times 5^1\times {\mathrm{647}}^1\times {\mathrm{2081}}^1$

素因数の和:2736

約数の個数: 16

約数和(自身を含む): 32379264

約数和(自身を除く): 12183159

約数列:

[1, 3, 5, 15, 647, 1941, 2081, 3235, 6243, 9705, 10405, 31215, 1346407, 4039221, 6732035, 20196105]

約数ペア:

[(1, 20196105), (3, 6732035), (5, 4039221), (15, 1346407), (647, 31215), (1941, 10405), (2081, 9705), (3235, 6243)]