20178266

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{233}}^1$

素因数の和:350

約数の個数: 32

約数和(自身を含む): 33359040

約数和(自身を除く): 13180774

約数列:

[1, 2, 19, 38, 43, 53, 86, 106, 233, 466, 817, 1007, 1634, 2014, 2279, 4427, 4558, 8854, 10019, 12349, 20038, 24698, 43301, 86602, 190361, 234631, 380722, 469262, 531007, 1062014, 10089133, 20178266]

約数ペア:

[(1, 20178266), (2, 10089133), (19, 1062014), (38, 531007), (43, 469262), (53, 380722), (86, 234631), (106, 190361), (233, 86602), (466, 43301), (817, 24698), (1007, 20038), (1634, 12349), (2014, 10019), (2279, 8854), (4427, 4558)]