20974124

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{7523}}^1$

素因数の和:7585

約数の個数: 24

約数和(自身を含む): 39817008

約数和(自身を除く): 18842884

約数列:

[1, 2, 4, 17, 34, 41, 68, 82, 164, 697, 1394, 2788, 7523, 15046, 30092, 127891, 255782, 308443, 511564, 616886, 1233772, 5243531, 10487062, 20974124]

約数ペア:

[(1, 20974124), (2, 10487062), (4, 5243531), (17, 1233772), (34, 616886), (41, 511564), (68, 308443), (82, 255782), (164, 127891), (697, 30092), (1394, 15046), (2788, 7523)]