20704030

素因数分解:

$2^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{20101}}^1$

素因数の和:20211

約数の個数: 16

約数和(自身を含む): 37630944

約数和(自身を除く): 16926914

約数列:

[1, 2, 5, 10, 103, 206, 515, 1030, 20101, 40202, 100505, 201010, 2070403, 4140806, 10352015, 20704030]

約数ペア:

[(1, 20704030), (2, 10352015), (5, 4140806), (10, 2070403), (103, 201010), (206, 100505), (515, 40202), (1030, 20101)]