20171157584

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{1543}}^1\times {\mathrm{19001}}^1$

素因数の和:20595

約数の個数: 40

約数和(自身を含む): 40018516032

約数和(自身を除く): 19847358448

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 1543, 3086, 6172, 12344, 19001, 24688, 38002, 66349, 76004, 132698, 152008, 265396, 304016, 530792, 817043, 1061584, 1634086, 3268172, 6536344, 13072688, 29318543, 58637086, 117274172, 234548344, 469096688, 1260697349, 2521394698, 5042789396, 10085578792, 20171157584]

約数ペア:

[(1, 20171157584), (2, 10085578792), (4, 5042789396), (8, 2521394698), (16, 1260697349), (43, 469096688), (86, 234548344), (172, 117274172), (344, 58637086), (688, 29318543), (1543, 13072688), (3086, 6536344), (6172, 3268172), (12344, 1634086), (19001, 1061584), (24688, 817043), (38002, 530792), (66349, 304016), (76004, 265396), (132698, 152008)]