20805411116

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{186743}}^1$

素因数の和:186950

約数の個数: 48

約数和(自身を含む): 43671204864

約数和(自身を除く): 22865793748

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 173, 322, 346, 644, 692, 1211, 2422, 3979, 4844, 7958, 15916, 27853, 55706, 111412, 186743, 373486, 746972, 1307201, 2614402, 4295089, 5228804, 8590178, 17180356, 30065623, 32306539, 60131246, 64613078, 120262492, 129226156, 226145773, 452291546, 743050397, 904583092, 1486100794, 2972201588, 5201352779, 10402705558, 20805411116]

約数ペア:

[(1, 20805411116), (2, 10402705558), (4, 5201352779), (7, 2972201588), (14, 1486100794), (23, 904583092), (28, 743050397), (46, 452291546), (92, 226145773), (161, 129226156), (173, 120262492), (322, 64613078), (346, 60131246), (644, 32306539), (692, 30065623), (1211, 17180356), (2422, 8590178), (3979, 5228804), (4844, 4295089), (7958, 2614402), (15916, 1307201), (27853, 746972), (55706, 373486), (111412, 186743)]