20199755979

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{1779871}}^1$

素因数の和:1779987

約数の個数: 24

約数和(自身を含む): 31745796992

約数和(自身を除く): 11546041013

約数列:

[1, 3, 9, 13, 39, 97, 117, 291, 873, 1261, 3783, 11349, 1779871, 5339613, 16018839, 23138323, 69414969, 172647487, 208244907, 517942461, 1553827383, 2244417331, 6733251993, 20199755979]

約数ペア:

[(1, 20199755979), (3, 6733251993), (9, 2244417331), (13, 1553827383), (39, 517942461), (97, 208244907), (117, 172647487), (291, 69414969), (873, 23138323), (1261, 16018839), (3783, 5339613), (11349, 1779871)]