20679645

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{8563}}^1$

素因数の和:8601

約数の個数: 32

約数和(自身を含む): 39462912

約数和(自身を除く): 18783267

約数列:

[1, 3, 5, 7, 15, 21, 23, 35, 69, 105, 115, 161, 345, 483, 805, 2415, 8563, 25689, 42815, 59941, 128445, 179823, 196949, 299705, 590847, 899115, 984745, 1378643, 2954235, 4135929, 6893215, 20679645]

約数ペア:

[(1, 20679645), (3, 6893215), (5, 4135929), (7, 2954235), (15, 1378643), (21, 984745), (23, 899115), (35, 590847), (69, 299705), (105, 196949), (115, 179823), (161, 128445), (345, 59941), (483, 42815), (805, 25689), (2415, 8563)]