20187102

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{258809}}^1$

素因数の和:258827

約数の個数: 16

約数和(自身を含む): 43480080

約数和(自身を除く): 23292978

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 258809, 517618, 776427, 1552854, 3364517, 6729034, 10093551, 20187102]

約数ペア:

[(1, 20187102), (2, 10093551), (3, 6729034), (6, 3364517), (13, 1552854), (26, 776427), (39, 517618), (78, 258809)]