20109772816

素因数分解:

$2^4\times 7^1\times {\mathrm{487}}^1\times {\mathrm{368689}}^1$

素因数の和:369191

約数の個数: 40

約数和(自身を含む): 44620338560

約数和(自身を除く): 24510565744

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 487, 974, 1948, 3409, 3896, 6818, 7792, 13636, 27272, 54544, 368689, 737378, 1474756, 2580823, 2949512, 5161646, 5899024, 10323292, 20646584, 41293168, 179551543, 359103086, 718206172, 1256860801, 1436412344, 2513721602, 2872824688, 5027443204, 10054886408, 20109772816]

約数ペア:

[(1, 20109772816), (2, 10054886408), (4, 5027443204), (7, 2872824688), (8, 2513721602), (14, 1436412344), (16, 1256860801), (28, 718206172), (56, 359103086), (112, 179551543), (487, 41293168), (974, 20646584), (1948, 10323292), (3409, 5899024), (3896, 5161646), (6818, 2949512), (7792, 2580823), (13636, 1474756), (27272, 737378), (54544, 368689)]