20170563838

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{409}}^1\times {\mathrm{421}}^1\times {\mathrm{1583}}^1$

素因数の和:2452

約数の個数: 32

約数和(自身を含む): 31243259520

約数和(自身を除く): 11072695682

約数列:

[1, 2, 37, 74, 409, 421, 818, 842, 1583, 3166, 15133, 15577, 30266, 31154, 58571, 117142, 172189, 344378, 647447, 666443, 1294894, 1332886, 6370993, 12741986, 23955539, 24658391, 47911078, 49316782, 272575187, 545150374, 10085281919, 20170563838]

約数ペア:

[(1, 20170563838), (2, 10085281919), (37, 545150374), (74, 272575187), (409, 49316782), (421, 47911078), (818, 24658391), (842, 23955539), (1583, 12741986), (3166, 6370993), (15133, 1332886), (15577, 1294894), (30266, 666443), (31154, 647447), (58571, 344378), (117142, 172189)]