20100398

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1\times {\mathrm{1823}}^1$

素因数の和:2011

約数の個数: 16

約数和(自身を含む): 31190400

約数和(自身を除く): 11090002

約数列:

[1, 2, 37, 74, 149, 298, 1823, 3646, 5513, 11026, 67451, 134902, 271627, 543254, 10050199, 20100398]

約数ペア:

[(1, 20100398), (2, 10050199), (37, 543254), (74, 271627), (149, 134902), (298, 67451), (1823, 11026), (3646, 5513)]