20071018

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{461}}^1\times {\mathrm{1979}}^1$

素因数の和:2453

約数の個数: 16

約数和(自身を含む): 32931360

約数和(自身を除く): 12860342

約数列:

[1, 2, 11, 22, 461, 922, 1979, 3958, 5071, 10142, 21769, 43538, 912319, 1824638, 10035509, 20071018]

約数ペア:

[(1, 20071018), (2, 10035509), (11, 1824638), (22, 912319), (461, 43538), (922, 21769), (1979, 10142), (3958, 5071)]