20159771918

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{5081}}^1\times {\mathrm{13873}}^1$

素因数の和:18980

約数の個数: 32

約数和(自身を含む): 35535864672

約数和(自身を除く): 15376092754

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 5081, 10162, 13873, 27746, 55891, 66053, 111782, 132106, 152603, 180349, 305206, 360698, 726583, 1453166, 1983839, 3967678, 70488713, 140977426, 775375843, 916353269, 1550751686, 1832706538, 10079885959, 20159771918]

約数ペア:

[(1, 20159771918), (2, 10079885959), (11, 1832706538), (13, 1550751686), (22, 916353269), (26, 775375843), (143, 140977426), (286, 70488713), (5081, 3967678), (10162, 1983839), (13873, 1453166), (27746, 726583), (55891, 360698), (66053, 305206), (111782, 180349), (132106, 152603)]