20658324752

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{7639913}}^1$

素因数の和:7639947

約数の個数: 30

約数和(自身を含む): 43341232122

約数和(自身を除く): 22682907370

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 169, 208, 338, 676, 1352, 2704, 7639913, 15279826, 30559652, 61119304, 99318869, 122238608, 198637738, 397275476, 794550952, 1291145297, 1589101904, 2582290594, 5164581188, 10329162376, 20658324752]

約数ペア:

[(1, 20658324752), (2, 10329162376), (4, 5164581188), (8, 2582290594), (13, 1589101904), (16, 1291145297), (26, 794550952), (52, 397275476), (104, 198637738), (169, 122238608), (208, 99318869), (338, 61119304), (676, 30559652), (1352, 15279826), (2704, 7639913)]