20039630

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{1109}}^1$

素因数の和:1268

約数の個数: 32

約数和(自身を含む): 39160800

約数和(自身を除く): 19121170

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 139, 278, 695, 1109, 1390, 1807, 2218, 3614, 5545, 9035, 11090, 14417, 18070, 28834, 72085, 144170, 154151, 308302, 770755, 1541510, 2003963, 4007926, 10019815, 20039630]

約数ペア:

[(1, 20039630), (2, 10019815), (5, 4007926), (10, 2003963), (13, 1541510), (26, 770755), (65, 308302), (130, 154151), (139, 144170), (278, 72085), (695, 28834), (1109, 18070), (1390, 14417), (1807, 11090), (2218, 9035), (3614, 5545)]