20007412881

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{1447}}^1\times {\mathrm{1543}}^1$

素因数の和:3125

約数の個数: 32

約数和(自身を含む): 27901685760

約数和(自身を除く): 7894272879

約数列:

[1, 3, 29, 87, 103, 309, 1447, 1543, 2987, 4341, 4629, 8961, 41963, 44747, 125889, 134241, 149041, 158929, 447123, 476787, 2232721, 4322189, 4608941, 6698163, 12966567, 13826823, 64748909, 194246727, 229970263, 689910789, 6669137627, 20007412881]

約数ペア:

[(1, 20007412881), (3, 6669137627), (29, 689910789), (87, 229970263), (103, 194246727), (309, 64748909), (1447, 13826823), (1543, 12966567), (2987, 6698163), (4341, 4608941), (4629, 4322189), (8961, 2232721), (41963, 476787), (44747, 447123), (125889, 158929), (134241, 149041)]