20193966

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{409}}^1$

素因数の和:641

約数の個数: 48

約数和(自身を含む): 47458320

約数和(自身を除く): 27264354

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 211, 234, 409, 422, 633, 818, 1227, 1266, 1899, 2454, 2743, 3681, 3798, 5317, 5486, 7362, 8229, 10634, 15951, 16458, 24687, 31902, 47853, 49374, 86299, 95706, 172598, 258897, 517794, 776691, 1121887, 1553382, 2243774, 3365661, 6731322, 10096983, 20193966]

約数ペア:

[(1, 20193966), (2, 10096983), (3, 6731322), (6, 3365661), (9, 2243774), (13, 1553382), (18, 1121887), (26, 776691), (39, 517794), (78, 258897), (117, 172598), (211, 95706), (234, 86299), (409, 49374), (422, 47853), (633, 31902), (818, 24687), (1227, 16458), (1266, 15951), (1899, 10634), (2454, 8229), (2743, 7362), (3681, 5486), (3798, 5317)]