20553535

素因数分解:

$5^1\times {\mathrm{19}}^2\times {\mathrm{59}}^1\times {\mathrm{193}}^1$

素因数の和:295

約数の個数: 24

約数和(自身を含む): 26609040

約数和(自身を除く): 6055505

約数列:

[1, 5, 19, 59, 95, 193, 295, 361, 965, 1121, 1805, 3667, 5605, 11387, 18335, 21299, 56935, 69673, 106495, 216353, 348365, 1081765, 4110707, 20553535]

約数ペア:

[(1, 20553535), (5, 4110707), (19, 1081765), (59, 348365), (95, 216353), (193, 106495), (295, 69673), (361, 56935), (965, 21299), (1121, 18335), (1805, 11387), (3667, 5605)]