20836543

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{13469}}^1$

素因数の和:13506

約数の個数: 16

約数和(自身を含む): 27155520

約数和(自身を除く): 6318977

約数列:

[1, 7, 13, 17, 91, 119, 221, 1547, 13469, 94283, 175097, 228973, 1225679, 1602811, 2976649, 20836543]

約数ペア:

[(1, 20836543), (7, 2976649), (13, 1602811), (17, 1225679), (91, 228973), (119, 175097), (221, 94283), (1547, 13469)]