20145542403

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{359}}^1\times {\mathrm{72221}}^1$

素因数の和:72627

約数の個数: 32

約数和(自身を含む): 31615902720

約数和(自身を除く): 11470360317

約数列:

[1, 3, 7, 21, 37, 111, 259, 359, 777, 1077, 2513, 7539, 13283, 39849, 72221, 92981, 216663, 278943, 505547, 1516641, 2672177, 8016531, 18705239, 25927339, 56115717, 77782017, 181491373, 544474119, 959311543, 2877934629, 6715180801, 20145542403]

約数ペア:

[(1, 20145542403), (3, 6715180801), (7, 2877934629), (21, 959311543), (37, 544474119), (111, 181491373), (259, 77782017), (359, 56115717), (777, 25927339), (1077, 18705239), (2513, 8016531), (7539, 2672177), (13283, 1516641), (39849, 505547), (72221, 278943), (92981, 216663)]