20171249890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17207}}^1\times {\mathrm{10657}}^1$

素因数の和:27882

約数の個数: 32

約数和(自身を含む): 39615018624

約数和(自身を除く): 19443768734

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 10657, 17207, 21314, 34414, 53285, 86035, 106570, 117227, 172070, 189277, 234454, 378554, 586135, 946385, 1172270, 1892770, 183374999, 366749998, 916874995, 1833749990, 2017124989, 4034249978, 10085624945, 20171249890]

約数ペア:

[(1, 20171249890), (2, 10085624945), (5, 4034249978), (10, 2017124989), (11, 1833749990), (22, 916874995), (55, 366749998), (110, 183374999), (10657, 1892770), (17207, 1172270), (21314, 946385), (34414, 586135), (53285, 378554), (86035, 234454), (106570, 189277), (117227, 172070)]