20937590908

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{9949}}^1\times {\mathrm{40471}}^1$

素因数の和:50437

約数の個数: 24

約数和(自身を含む): 39464247200

約数和(自身を除く): 18526656292

約数列:

[1, 2, 4, 13, 26, 52, 9949, 19898, 39796, 40471, 80942, 129337, 161884, 258674, 517348, 526123, 1052246, 2104492, 402645979, 805291958, 1610583916, 5234397727, 10468795454, 20937590908]

約数ペア:

[(1, 20937590908), (2, 10468795454), (4, 5234397727), (13, 1610583916), (26, 805291958), (52, 402645979), (9949, 2104492), (19898, 1052246), (39796, 526123), (40471, 517348), (80942, 258674), (129337, 161884)]