20110785

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{709}}^1$

素因数の和:809

約数の個数: 32

約数和(自身を含む): 33807360

約数和(自身を除く): 13696575

約数列:

[1, 3, 5, 15, 31, 61, 93, 155, 183, 305, 465, 709, 915, 1891, 2127, 3545, 5673, 9455, 10635, 21979, 28365, 43249, 65937, 109895, 129747, 216245, 329685, 648735, 1340719, 4022157, 6703595, 20110785]

約数ペア:

[(1, 20110785), (3, 6703595), (5, 4022157), (15, 1340719), (31, 648735), (61, 329685), (93, 216245), (155, 129747), (183, 109895), (305, 65937), (465, 43249), (709, 28365), (915, 21979), (1891, 10635), (2127, 9455), (3545, 5673)]