20038538

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{4909}}^1$

素因数の和:5081

約数の個数: 16

約数和(自身を含む): 32582760

約数和(自身を除く): 12544222

約数列:

[1, 2, 13, 26, 157, 314, 2041, 4082, 4909, 9818, 63817, 127634, 770713, 1541426, 10019269, 20038538]

約数ペア:

[(1, 20038538), (2, 10019269), (13, 1541426), (26, 770713), (157, 127634), (314, 63817), (2041, 9818), (4082, 4909)]