20546778

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{4111}}^1$

素因数の和:4147

約数の個数: 48

約数和(自身を含む): 50626944

約数和(自身を除く): 30080166

約数列:

[1, 2, 3, 6, 7, 14, 17, 21, 34, 42, 49, 51, 98, 102, 119, 147, 238, 294, 357, 714, 833, 1666, 2499, 4111, 4998, 8222, 12333, 24666, 28777, 57554, 69887, 86331, 139774, 172662, 201439, 209661, 402878, 419322, 489209, 604317, 978418, 1208634, 1467627, 2935254, 3424463, 6848926, 10273389, 20546778]

約数ペア:

[(1, 20546778), (2, 10273389), (3, 6848926), (6, 3424463), (7, 2935254), (14, 1467627), (17, 1208634), (21, 978418), (34, 604317), (42, 489209), (49, 419322), (51, 402878), (98, 209661), (102, 201439), (119, 172662), (147, 139774), (238, 86331), (294, 69887), (357, 57554), (714, 28777), (833, 24666), (1666, 12333), (2499, 8222), (4111, 4998)]