20832664

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{101}}^1$

素因数の和:208

約数の個数: 64

約数和(自身を含む): 44064000

約数和(自身を除く): 23231336

約数列:

[1, 2, 4, 8, 19, 23, 38, 46, 59, 76, 92, 101, 118, 152, 184, 202, 236, 404, 437, 472, 808, 874, 1121, 1357, 1748, 1919, 2242, 2323, 2714, 3496, 3838, 4484, 4646, 5428, 5959, 7676, 8968, 9292, 10856, 11918, 15352, 18584, 23836, 25783, 44137, 47672, 51566, 88274, 103132, 113221, 137057, 176548, 206264, 226442, 274114, 353096, 452884, 548228, 905768, 1096456, 2604083, 5208166, 10416332, 20832664]

約数ペア:

[(1, 20832664), (2, 10416332), (4, 5208166), (8, 2604083), (19, 1096456), (23, 905768), (38, 548228), (46, 452884), (59, 353096), (76, 274114), (92, 226442), (101, 206264), (118, 176548), (152, 137057), (184, 113221), (202, 103132), (236, 88274), (404, 51566), (437, 47672), (472, 44137), (808, 25783), (874, 23836), (1121, 18584), (1357, 15352), (1748, 11918), (1919, 10856), (2242, 9292), (2323, 8968), (2714, 7676), (3496, 5959), (3838, 5428), (4484, 4646)]