20098864

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{15901}}^1$

素因数の和:15988

約数の個数: 20

約数和(自身を含む): 39436960

約数和(自身を除く): 19338096

約数列:

[1, 2, 4, 8, 16, 79, 158, 316, 632, 1264, 15901, 31802, 63604, 127208, 254416, 1256179, 2512358, 5024716, 10049432, 20098864]

約数ペア:

[(1, 20098864), (2, 10049432), (4, 5024716), (8, 2512358), (16, 1256179), (79, 254416), (158, 127208), (316, 63604), (632, 31802), (1264, 15901)]