20961130

素因数分解:

$2^1\times 5^1\times {\mathrm{1021}}^1\times {\mathrm{2053}}^1$

素因数の和:3081

約数の個数: 16

約数和(自身を含む): 37785384

約数和(自身を除く): 16824254

約数列:

[1, 2, 5, 10, 1021, 2042, 2053, 4106, 5105, 10210, 10265, 20530, 2096113, 4192226, 10480565, 20961130]

約数ペア:

[(1, 20961130), (2, 10480565), (5, 4192226), (10, 2096113), (1021, 20530), (2042, 10265), (2053, 10210), (4106, 5105)]