20160744580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{596119}}^1$

素因数の和:596236

約数の個数: 48

約数和(自身を含む): 45066672000

約数和(自身を除く): 24905927420

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 89, 95, 178, 190, 356, 380, 445, 890, 1691, 1780, 3382, 6764, 8455, 16910, 33820, 596119, 1192238, 2384476, 2980595, 5961190, 11326261, 11922380, 22652522, 45305044, 53054591, 56631305, 106109182, 113262610, 212218364, 226525220, 265272955, 530545910, 1008037229, 1061091820, 2016074458, 4032148916, 5040186145, 10080372290, 20160744580]

約数ペア:

[(1, 20160744580), (2, 10080372290), (4, 5040186145), (5, 4032148916), (10, 2016074458), (19, 1061091820), (20, 1008037229), (38, 530545910), (76, 265272955), (89, 226525220), (95, 212218364), (178, 113262610), (190, 106109182), (356, 56631305), (380, 53054591), (445, 45305044), (890, 22652522), (1691, 11922380), (1780, 11326261), (3382, 5961190), (6764, 2980595), (8455, 2384476), (16910, 1192238), (33820, 596119)]