20489606

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{313}}^1\times {\mathrm{461}}^1$

素因数の和:847

約数の個数: 16

約数和(自身を含む): 31334688

約数和(自身を除く): 10845082

約数列:

[1, 2, 71, 142, 313, 461, 626, 922, 22223, 32731, 44446, 65462, 144293, 288586, 10244803, 20489606]

約数ペア:

[(1, 20489606), (2, 10244803), (71, 288586), (142, 144293), (313, 65462), (461, 44446), (626, 32731), (922, 22223)]