20896755

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{1423}}^1$

素因数の和:1531

約数の個数: 32

約数和(自身を含む): 36910080

約数和(自身を除く): 16013325

約数列:

[1, 3, 5, 11, 15, 33, 55, 89, 165, 267, 445, 979, 1335, 1423, 2937, 4269, 4895, 7115, 14685, 15653, 21345, 46959, 78265, 126647, 234795, 379941, 633235, 1393117, 1899705, 4179351, 6965585, 20896755]

約数ペア:

[(1, 20896755), (3, 6965585), (5, 4179351), (11, 1899705), (15, 1393117), (33, 633235), (55, 379941), (89, 234795), (165, 126647), (267, 78265), (445, 46959), (979, 21345), (1335, 15653), (1423, 14685), (2937, 7115), (4269, 4895)]