20199492729

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{2801}}^1\times {\mathrm{61637}}^1$

素因数の和:64457

約数の個数: 24

約数和(自身を含む): 31433161032

約数和(自身を除く): 11233668303

約数列:

[1, 3, 9, 13, 39, 117, 2801, 8403, 25209, 36413, 61637, 109239, 184911, 327717, 554733, 801281, 2403843, 7211529, 172645237, 517935711, 1553807133, 2244388081, 6733164243, 20199492729]

約数ペア:

[(1, 20199492729), (3, 6733164243), (9, 2244388081), (13, 1553807133), (39, 517935711), (117, 172645237), (2801, 7211529), (8403, 2403843), (25209, 801281), (36413, 554733), (61637, 327717), (109239, 184911)]