20161989844

素因数分解:

$2^2\times {\mathrm{1091}}^1\times {\mathrm{1153}}^1\times {\mathrm{4007}}^1$

素因数の和:6255

約数の個数: 24

約数和(自身を含む): 35355273408

約数和(自身を除く): 15193283564

約数列:

[1, 2, 4, 1091, 1153, 2182, 2306, 4007, 4364, 4612, 8014, 16028, 1257923, 2515846, 4371637, 4620071, 5031692, 8743274, 9240142, 17486548, 18480284, 5040497461, 10080994922, 20161989844]

約数ペア:

[(1, 20161989844), (2, 10080994922), (4, 5040497461), (1091, 18480284), (1153, 17486548), (2182, 9240142), (2306, 8743274), (4007, 5031692), (4364, 4620071), (4612, 4371637), (8014, 2515846), (16028, 1257923)]