20178395516

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{10639}}^1\times {\mathrm{11027}}^1$

素因数の和:21713

約数の個数: 24

約数和(自身を含む): 36140079360

約数和(自身を除く): 15961683844

約数列:

[1, 2, 4, 43, 86, 172, 10639, 11027, 21278, 22054, 42556, 44108, 457477, 474161, 914954, 948322, 1829908, 1896644, 117316253, 234632506, 469265012, 5044598879, 10089197758, 20178395516]

約数ペア:

[(1, 20178395516), (2, 10089197758), (4, 5044598879), (43, 469265012), (86, 234632506), (172, 117316253), (10639, 1896644), (11027, 1829908), (21278, 948322), (22054, 914954), (42556, 474161), (44108, 457477)]