20130747

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3881}}^1$

素因数の和:3923

約数の個数: 32

約数和(自身を含む): 34782720

約数和(自身を除く): 14651973

約数列:

[1, 3, 7, 13, 19, 21, 39, 57, 91, 133, 247, 273, 399, 741, 1729, 3881, 5187, 11643, 27167, 50453, 73739, 81501, 151359, 221217, 353171, 516173, 958607, 1059513, 1548519, 2875821, 6710249, 20130747]

約数ペア:

[(1, 20130747), (3, 6710249), (7, 2875821), (13, 1548519), (19, 1059513), (21, 958607), (39, 516173), (57, 353171), (91, 221217), (133, 151359), (247, 81501), (273, 73739), (399, 50453), (741, 27167), (1729, 11643), (3881, 5187)]