20554258

素因数分解:

$2^1\times {\mathrm{17}}^2\times {\mathrm{43}}^1\times {\mathrm{827}}^1$

素因数の和:906

約数の個数: 24

約数和(自身を含む): 33553872

約数和(自身を除く): 12999614

約数列:

[1, 2, 17, 34, 43, 86, 289, 578, 731, 827, 1462, 1654, 12427, 14059, 24854, 28118, 35561, 71122, 239003, 478006, 604537, 1209074, 10277129, 20554258]

約数ペア:

[(1, 20554258), (2, 10277129), (17, 1209074), (34, 604537), (43, 478006), (86, 239003), (289, 71122), (578, 35561), (731, 28118), (827, 24854), (1462, 14059), (1654, 12427)]