20659964

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23371}}^1$

素因数の和:23405

約数の個数: 24

約数和(自身を含む): 41228208

約数和(自身を除く): 20568244

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 221, 442, 884, 23371, 46742, 93484, 303823, 397307, 607646, 794614, 1215292, 1589228, 5164991, 10329982, 20659964]

約数ペア:

[(1, 20659964), (2, 10329982), (4, 5164991), (13, 1589228), (17, 1215292), (26, 794614), (34, 607646), (52, 397307), (68, 303823), (221, 93484), (442, 46742), (884, 23371)]