20048067

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{241}}^1$

素因数の和:345

約数の個数: 40

約数和(自身を含む): 32795840

約数和(自身を除く): 12747773

約数列:

[1, 3, 9, 13, 27, 39, 79, 81, 117, 237, 241, 351, 711, 723, 1027, 1053, 2133, 2169, 3081, 3133, 6399, 6507, 9243, 9399, 19039, 19521, 27729, 28197, 57117, 83187, 84591, 171351, 247507, 253773, 514053, 742521, 1542159, 2227563, 6682689, 20048067]

約数ペア:

[(1, 20048067), (3, 6682689), (9, 2227563), (13, 1542159), (27, 742521), (39, 514053), (79, 253773), (81, 247507), (117, 171351), (237, 84591), (241, 83187), (351, 57117), (711, 28197), (723, 27729), (1027, 19521), (1053, 19039), (2133, 9399), (2169, 9243), (3081, 6507), (3133, 6399)]