20147738

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{14621}}^1$

素因数の和:14689

約数の個数: 16

約数和(自身を含む): 33162696

約数和(自身を除く): 13014958

約数列:

[1, 2, 13, 26, 53, 106, 689, 1378, 14621, 29242, 190073, 380146, 774913, 1549826, 10073869, 20147738]

約数ペア:

[(1, 20147738), (2, 10073869), (13, 1549826), (26, 774913), (53, 380146), (106, 190073), (689, 29242), (1378, 14621)]