20575072

素因数分解:

$2^5\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2963}}^1$

素因数の和:3011

約数の個数: 48

約数和(自身を含む): 47803392

約数和(自身を除く): 27228320

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 112, 124, 217, 224, 248, 434, 496, 868, 992, 1736, 2963, 3472, 5926, 6944, 11852, 20741, 23704, 41482, 47408, 82964, 91853, 94816, 165928, 183706, 331856, 367412, 642971, 663712, 734824, 1285942, 1469648, 2571884, 2939296, 5143768, 10287536, 20575072]

約数ペア:

[(1, 20575072), (2, 10287536), (4, 5143768), (7, 2939296), (8, 2571884), (14, 1469648), (16, 1285942), (28, 734824), (31, 663712), (32, 642971), (56, 367412), (62, 331856), (112, 183706), (124, 165928), (217, 94816), (224, 91853), (248, 82964), (434, 47408), (496, 41482), (868, 23704), (992, 20741), (1736, 11852), (2963, 6944), (3472, 5926)]