20180781728

素因数分解:

$2^5\times {\mathrm{30403}}^1\times {\mathrm{20743}}^1$

素因数の和:51156

約数の個数: 24

約数和(自身を含む): 39734136288

約数和(自身を除く): 19553354560

約数列:

[1, 2, 4, 8, 16, 32, 20743, 30403, 41486, 60806, 82972, 121612, 165944, 243224, 331888, 486448, 663776, 972896, 630649429, 1261298858, 2522597716, 5045195432, 10090390864, 20180781728]

約数ペア:

[(1, 20180781728), (2, 10090390864), (4, 5045195432), (8, 2522597716), (16, 1261298858), (32, 630649429), (20743, 972896), (30403, 663776), (41486, 486448), (60806, 331888), (82972, 243224), (121612, 165944)]