20409038

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{7621}}^1$

素因数の和:7739

約数の個数: 16

約数和(自身を含む): 33292896

約数和(自身を除く): 12883858

約数列:

[1, 2, 13, 26, 103, 206, 1339, 2678, 7621, 15242, 99073, 198146, 784963, 1569926, 10204519, 20409038]

約数ペア:

[(1, 20409038), (2, 10204519), (13, 1569926), (26, 784963), (103, 198146), (206, 99073), (1339, 15242), (2678, 7621)]