20287748

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{16963}}^1$

素因数の和:17003

約数の個数: 24

約数和(自身を含む): 39899328

約数和(自身を除く): 19611580

約数列:

[1, 2, 4, 13, 23, 26, 46, 52, 92, 299, 598, 1196, 16963, 33926, 67852, 220519, 390149, 441038, 780298, 882076, 1560596, 5071937, 10143874, 20287748]

約数ペア:

[(1, 20287748), (2, 10143874), (4, 5071937), (13, 1560596), (23, 882076), (26, 780298), (46, 441038), (52, 390149), (92, 220519), (299, 67852), (598, 33926), (1196, 16963)]