20576668

素因数分解:

$2^2\times 7^2\times {\mathrm{277}}^1\times {\mathrm{379}}^1$

素因数の和:674

約数の個数: 36

約数和(自身を含む): 42150360

約数和(自身を除く): 21573692

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 277, 379, 554, 758, 1108, 1516, 1939, 2653, 3878, 5306, 7756, 10612, 13573, 18571, 27146, 37142, 54292, 74284, 104983, 209966, 419932, 734881, 1469762, 2939524, 5144167, 10288334, 20576668]

約数ペア:

[(1, 20576668), (2, 10288334), (4, 5144167), (7, 2939524), (14, 1469762), (28, 734881), (49, 419932), (98, 209966), (196, 104983), (277, 74284), (379, 54292), (554, 37142), (758, 27146), (1108, 18571), (1516, 13573), (1939, 10612), (2653, 7756), (3878, 5306)]