20989186

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{32491}}^1$

素因数の和:32529

約数の個数: 16

約数和(自身を含む): 35091360

約数和(自身を除く): 14102174

約数列:

[1, 2, 17, 19, 34, 38, 323, 646, 32491, 64982, 552347, 617329, 1104694, 1234658, 10494593, 20989186]

約数ペア:

[(1, 20989186), (2, 10494593), (17, 1234658), (19, 1104694), (34, 617329), (38, 552347), (323, 64982), (646, 32491)]