20151489790

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1399}}^1\times {\mathrm{62627}}^1$

素因数の和:64056

約数の個数: 32

約数和(自身を含む): 37877414400

約数和(自身を除く): 17725924610

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 1399, 2798, 6995, 13990, 32177, 62627, 64354, 125254, 160885, 313135, 321770, 626270, 1440421, 2880842, 7202105, 14404210, 87615173, 175230346, 438075865, 876151730, 2015148979, 4030297958, 10075744895, 20151489790]

約数ペア:

[(1, 20151489790), (2, 10075744895), (5, 4030297958), (10, 2015148979), (23, 876151730), (46, 438075865), (115, 175230346), (230, 87615173), (1399, 14404210), (2798, 7202105), (6995, 2880842), (13990, 1440421), (32177, 626270), (62627, 321770), (64354, 313135), (125254, 160885)]