20156185385

素因数分解:

$5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{563}}^1\times {\mathrm{14407}}^1$

素因数の和:15053

約数の個数: 32

約数和(自身を含む): 28083843072

約数和(自身を除く): 7927657687

約数列:

[1, 5, 7, 35, 71, 355, 497, 563, 2485, 2815, 3941, 14407, 19705, 39973, 72035, 100849, 199865, 279811, 504245, 1022897, 1399055, 5114485, 7160279, 8111141, 35801395, 40555705, 56777987, 283889935, 575891011, 2879455055, 4031237077, 20156185385]

約数ペア:

[(1, 20156185385), (5, 4031237077), (7, 2879455055), (35, 575891011), (71, 283889935), (355, 56777987), (497, 40555705), (563, 35801395), (2485, 8111141), (2815, 7160279), (3941, 5114485), (14407, 1399055), (19705, 1022897), (39973, 504245), (72035, 279811), (100849, 199865)]