20784776

素因数分解:

$2^3\times {\mathrm{1301}}^1\times {\mathrm{1997}}^1$

素因数の和:3304

約数の個数: 16

約数和(自身を含む): 39020940

約数和(自身を除く): 18236164

約数列:

[1, 2, 4, 8, 1301, 1997, 2602, 3994, 5204, 7988, 10408, 15976, 2598097, 5196194, 10392388, 20784776]

約数ペア:

[(1, 20784776), (2, 10392388), (4, 5196194), (8, 2598097), (1301, 15976), (1997, 10408), (2602, 7988), (3994, 5204)]