20156465

素因数分解:

$5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{227}}^1$

素因数の和:341

約数の個数: 32

約数和(自身を含む): 28892160

約数和(自身を除く): 8735695

約数列:

[1, 5, 7, 35, 43, 59, 215, 227, 295, 301, 413, 1135, 1505, 1589, 2065, 2537, 7945, 9761, 12685, 13393, 17759, 48805, 66965, 68327, 88795, 93751, 341635, 468755, 575899, 2879495, 4031293, 20156465]

約数ペア:

[(1, 20156465), (5, 4031293), (7, 2879495), (35, 575899), (43, 468755), (59, 341635), (215, 93751), (227, 88795), (295, 68327), (301, 66965), (413, 48805), (1135, 17759), (1505, 13393), (1589, 12685), (2065, 9761), (2537, 7945)]