20198053216

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{227}}^1\times {\mathrm{252779}}^1$

素因数の和:253027

約数の個数: 48

約数和(自身を含む): 43571183040

約数和(自身を除く): 23373129824

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 176, 227, 352, 454, 908, 1816, 2497, 3632, 4994, 7264, 9988, 19976, 39952, 79904, 252779, 505558, 1011116, 2022232, 2780569, 4044464, 5561138, 8088928, 11122276, 22244552, 44489104, 57380833, 88978208, 114761666, 229523332, 459046664, 631189163, 918093328, 1262378326, 1836186656, 2524756652, 5049513304, 10099026608, 20198053216]

約数ペア:

[(1, 20198053216), (2, 10099026608), (4, 5049513304), (8, 2524756652), (11, 1836186656), (16, 1262378326), (22, 918093328), (32, 631189163), (44, 459046664), (88, 229523332), (176, 114761666), (227, 88978208), (352, 57380833), (454, 44489104), (908, 22244552), (1816, 11122276), (2497, 8088928), (3632, 5561138), (4994, 4044464), (7264, 2780569), (9988, 2022232), (19976, 1011116), (39952, 505558), (79904, 252779)]