20165988045

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{20287}}^1\times {\mathrm{9467}}^1$

素因数の和:29769

約数の個数: 32

約数和(自身を含む): 36880662528

約数和(自身を除く): 16714674483

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 9467, 20287, 28401, 47335, 60861, 66269, 101435, 142005, 142009, 198807, 304305, 331345, 426027, 710045, 994035, 2130135, 192057029, 576171087, 960285145, 1344399203, 2880855435, 4033197609, 6721996015, 20165988045]

約数ペア:

[(1, 20165988045), (3, 6721996015), (5, 4033197609), (7, 2880855435), (15, 1344399203), (21, 960285145), (35, 576171087), (105, 192057029), (9467, 2130135), (20287, 994035), (28401, 710045), (47335, 426027), (60861, 331345), (66269, 304305), (101435, 198807), (142005, 142009)]