2020160420

素因数分解:

$2^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{478711}}^1$

素因数の和:478931

約数の個数: 24

約数和(自身を含む): 4262451648

約数和(自身を除く): 2242291228

約数列:

[1, 2, 4, 5, 10, 20, 211, 422, 844, 1055, 2110, 4220, 478711, 957422, 1914844, 2393555, 4787110, 9574220, 101008021, 202016042, 404032084, 505040105, 1010080210, 2020160420]

約数ペア:

[(1, 2020160420), (2, 1010080210), (4, 505040105), (5, 404032084), (10, 202016042), (20, 101008021), (211, 9574220), (422, 4787110), (844, 2393555), (1055, 1914844), (2110, 957422), (4220, 478711)]