20160748420

素因数分解:

$2^2\times 5^1\times {\mathrm{11119}}^1\times {\mathrm{90659}}^1$

素因数の和:101787

約数の個数: 24

約数和(自身を含む): 42341846400

約数和(自身を除く): 22181097980

約数列:

[1, 2, 4, 5, 10, 20, 11119, 22238, 44476, 55595, 90659, 111190, 181318, 222380, 362636, 453295, 906590, 1813180, 1008037421, 2016074842, 4032149684, 5040187105, 10080374210, 20160748420]

約数ペア:

[(1, 20160748420), (2, 10080374210), (4, 5040187105), (5, 4032149684), (10, 2016074842), (20, 1008037421), (11119, 1813180), (22238, 906590), (44476, 453295), (55595, 362636), (90659, 222380), (111190, 181318)]