2019980420

素因数分解:

$2^2\times 5^1\times {\mathrm{283}}^1\times {\mathrm{356887}}^1$

素因数の和:357179

約数の個数: 24

約数和(自身を含む): 4256960064

約数和(自身を除く): 2236979644

約数列:

[1, 2, 4, 5, 10, 20, 283, 566, 1132, 1415, 2830, 5660, 356887, 713774, 1427548, 1784435, 3568870, 7137740, 100999021, 201998042, 403996084, 504995105, 1009990210, 2019980420]

約数ペア:

[(1, 2019980420), (2, 1009990210), (4, 504995105), (5, 403996084), (10, 201998042), (20, 100999021), (283, 7137740), (566, 3568870), (1132, 1784435), (1415, 1427548), (2830, 713774), (5660, 356887)]