20106160

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{2591}}^1$

素因数の和:2701

約数の個数: 40

約数和(自身を含む): 47246976

約数和(自身を除く): 27140816

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 194, 388, 485, 776, 970, 1552, 1940, 2591, 3880, 5182, 7760, 10364, 12955, 20728, 25910, 41456, 51820, 103640, 207280, 251327, 502654, 1005308, 1256635, 2010616, 2513270, 4021232, 5026540, 10053080, 20106160]

約数ペア:

[(1, 20106160), (2, 10053080), (4, 5026540), (5, 4021232), (8, 2513270), (10, 2010616), (16, 1256635), (20, 1005308), (40, 502654), (80, 251327), (97, 207280), (194, 103640), (388, 51820), (485, 41456), (776, 25910), (970, 20728), (1552, 12955), (1940, 10364), (2591, 7760), (3880, 5182)]