20143578545

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{367}}^1\times {\mathrm{15017}}^1$

素因数の和:15449

約数の個数: 32

約数和(自身を含む): 26262517248

約数和(自身を除く): 6118938703

約数列:

[1, 5, 17, 43, 85, 215, 367, 731, 1835, 3655, 6239, 15017, 15781, 31195, 75085, 78905, 255289, 268277, 645731, 1276445, 1341385, 3228655, 5511239, 10977427, 27556195, 54887135, 93691063, 236983277, 468455315, 1184916385, 4028715709, 20143578545]

約数ペア:

[(1, 20143578545), (5, 4028715709), (17, 1184916385), (43, 468455315), (85, 236983277), (215, 93691063), (367, 54887135), (731, 27556195), (1835, 10977427), (3655, 5511239), (6239, 3228655), (15017, 1341385), (15781, 1276445), (31195, 645731), (75085, 268277), (78905, 255289)]