20102979

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{4729}}^1$

素因数の和:4854

約数の個数: 16

約数和(自身を含む): 29136800

約数和(自身を除く): 9033821

約数列:

[1, 3, 13, 39, 109, 327, 1417, 4251, 4729, 14187, 61477, 184431, 515461, 1546383, 6700993, 20102979]

約数ペア:

[(1, 20102979), (3, 6700993), (13, 1546383), (39, 515461), (109, 184431), (327, 61477), (1417, 14187), (4251, 4729)]