20702055

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{3391}}^1$

素因数の和:3447

約数の個数: 32

約数和(自身を含む): 37122048

約数和(自身を除く): 16419993

約数列:

[1, 3, 5, 11, 15, 33, 37, 55, 111, 165, 185, 407, 555, 1221, 2035, 3391, 6105, 10173, 16955, 37301, 50865, 111903, 125467, 186505, 376401, 559515, 627335, 1380137, 1882005, 4140411, 6900685, 20702055]

約数ペア:

[(1, 20702055), (3, 6900685), (5, 4140411), (11, 1882005), (15, 1380137), (33, 627335), (37, 559515), (55, 376401), (111, 186505), (165, 125467), (185, 111903), (407, 50865), (555, 37301), (1221, 16955), (2035, 10173), (3391, 6105)]