20771036405

素因数分解:

$5^1\times 7^1\times {\mathrm{5347}}^1\times {\mathrm{110989}}^1$

素因数の和:116348

約数の個数: 16

約数和(自身を含む): 28491576960

約数和(自身を除く): 7720540555

約数列:

[1, 5, 7, 35, 5347, 26735, 37429, 110989, 187145, 554945, 776923, 3884615, 593458183, 2967290915, 4154207281, 20771036405]

約数ペア:

[(1, 20771036405), (5, 4154207281), (7, 2967290915), (35, 593458183), (5347, 3884615), (26735, 776923), (37429, 554945), (110989, 187145)]