20175165

素因数分解:

$3^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{2477}}^1$

素因数の和:2669

約数の個数: 24

約数和(自身を含む): 35177688

約数和(自身を除く): 15002523

約数列:

[1, 3, 5, 9, 15, 45, 181, 543, 905, 1629, 2477, 2715, 7431, 8145, 12385, 22293, 37155, 111465, 448337, 1345011, 2241685, 4035033, 6725055, 20175165]

約数ペア:

[(1, 20175165), (3, 6725055), (5, 4035033), (9, 2241685), (15, 1345011), (45, 448337), (181, 111465), (543, 37155), (905, 22293), (1629, 12385), (2477, 8145), (2715, 7431)]