20501020436

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{2511149}}^1$

素因数の和:2511323

約数の個数: 24

約数和(自身を含む): 38882646600

約数和(自身を除く): 18381626164

約数列:

[1, 2, 4, 13, 26, 52, 157, 314, 628, 2041, 4082, 8164, 2511149, 5022298, 10044596, 32644937, 65289874, 130579748, 394250393, 788500786, 1577001572, 5125255109, 10250510218, 20501020436]

約数ペア:

[(1, 20501020436), (2, 10250510218), (4, 5125255109), (13, 1577001572), (26, 788500786), (52, 394250393), (157, 130579748), (314, 65289874), (628, 32644937), (2041, 10044596), (4082, 5022298), (8164, 2511149)]