11440420

素因数分解:

$2^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{2711}}^1$

素因数の和:2931

約数の個数: 24

約数和(自身を含む): 24147648

約数和(自身を除く): 12707228

約数列:

[1, 2, 4, 5, 10, 20, 211, 422, 844, 1055, 2110, 2711, 4220, 5422, 10844, 13555, 27110, 54220, 572021, 1144042, 2288084, 2860105, 5720210, 11440420]

約数ペア:

[(1, 11440420), (2, 5720210), (4, 2860105), (5, 2288084), (10, 1144042), (20, 572021), (211, 54220), (422, 27110), (844, 13555), (1055, 10844), (2110, 5422), (2711, 4220)]