20748918

素因数分解:

$2^1\times 3^1\times {\mathrm{317}}^1\times {\mathrm{10909}}^1$

素因数の和:11231

約数の個数: 16

約数和(自身を含む): 41632560

約数和(自身を除く): 20883642

約数列:

[1, 2, 3, 6, 317, 634, 951, 1902, 10909, 21818, 32727, 65454, 3458153, 6916306, 10374459, 20748918]

約数ペア:

[(1, 20748918), (2, 10374459), (3, 6916306), (6, 3458153), (317, 65454), (634, 32727), (951, 21818), (1902, 10909)]