20780053564

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{4186151}}^1$

素因数の和:4186245

約数の個数: 24

約数和(自身を含む): 39031681248

約数和(自身を除く): 18251627684

約数列:

[1, 2, 4, 17, 34, 68, 73, 146, 292, 1241, 2482, 4964, 4186151, 8372302, 16744604, 71164567, 142329134, 284658268, 305589023, 611178046, 1222356092, 5195013391, 10390026782, 20780053564]

約数ペア:

[(1, 20780053564), (2, 10390026782), (4, 5195013391), (17, 1222356092), (34, 611178046), (68, 305589023), (73, 284658268), (146, 142329134), (292, 71164567), (1241, 16744604), (2482, 8372302), (4964, 4186151)]