20403682

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{401}}^1$

素因数の和:538

約数の個数: 32

約数和(自身を含む): 35118720

約数和(自身を除く): 14715038

約数列:

[1, 2, 13, 19, 26, 38, 103, 206, 247, 401, 494, 802, 1339, 1957, 2678, 3914, 5213, 7619, 10426, 15238, 25441, 41303, 50882, 82606, 99047, 198094, 536939, 784757, 1073878, 1569514, 10201841, 20403682]

約数ペア:

[(1, 20403682), (2, 10201841), (13, 1569514), (19, 1073878), (26, 784757), (38, 536939), (103, 198094), (206, 99047), (247, 82606), (401, 50882), (494, 41303), (802, 25441), (1339, 15238), (1957, 10426), (2678, 7619), (3914, 5213)]