20782619

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{103}}^1$

素因数の和:227

約数の個数: 32

約数和(自身を含む): 26417664

約数和(自身を除く): 5635045

約数列:

[1, 11, 13, 17, 83, 103, 143, 187, 221, 913, 1079, 1133, 1339, 1411, 1751, 2431, 8549, 11869, 14729, 15521, 18343, 19261, 22763, 94039, 111137, 145333, 201773, 250393, 1222507, 1598663, 1889329, 20782619]

約数ペア:

[(1, 20782619), (11, 1889329), (13, 1598663), (17, 1222507), (83, 250393), (103, 201773), (143, 145333), (187, 111137), (221, 94039), (913, 22763), (1079, 19261), (1133, 18343), (1339, 15521), (1411, 14729), (1751, 11869), (2431, 8549)]