20086255

素因数分解:

$5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1$

素因数の和:279

約数の個数: 32

約数和(自身を含む): 28615680

約数和(自身を除く): 8529425

約数列:

[1, 5, 7, 35, 59, 71, 137, 295, 355, 413, 497, 685, 959, 2065, 2485, 4189, 4795, 8083, 9727, 20945, 29323, 40415, 48635, 56581, 68089, 146615, 282905, 340445, 573893, 2869465, 4017251, 20086255]

約数ペア:

[(1, 20086255), (5, 4017251), (7, 2869465), (35, 573893), (59, 340445), (71, 282905), (137, 146615), (295, 68089), (355, 56581), (413, 48635), (497, 40415), (685, 29323), (959, 20945), (2065, 9727), (2485, 8083), (4189, 4795)]