20052784

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{40429}}^1$

素因数の和:40468

約数の個数: 20

約数和(自身を含む): 40106560

約数和(自身を除く): 20053776

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 40429, 80858, 161716, 323432, 646864, 1253299, 2506598, 5013196, 10026392, 20052784]

約数ペア:

[(1, 20052784), (2, 10026392), (4, 5013196), (8, 2506598), (16, 1253299), (31, 646864), (62, 323432), (124, 161716), (248, 80858), (496, 40429)]