20694465

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{431}}^1$

素因数の和:550

約数の個数: 48

約数和(自身を含む): 39626496

約数和(自身を除く): 18932031

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 97, 99, 165, 291, 431, 485, 495, 873, 1067, 1293, 1455, 2155, 3201, 3879, 4365, 4741, 5335, 6465, 9603, 14223, 16005, 19395, 23705, 41807, 42669, 48015, 71115, 125421, 209035, 213345, 376263, 459877, 627105, 1379631, 1881315, 2299385, 4138893, 6898155, 20694465]

約数ペア:

[(1, 20694465), (3, 6898155), (5, 4138893), (9, 2299385), (11, 1881315), (15, 1379631), (33, 627105), (45, 459877), (55, 376263), (97, 213345), (99, 209035), (165, 125421), (291, 71115), (431, 48015), (485, 42669), (495, 41807), (873, 23705), (1067, 19395), (1293, 16005), (1455, 14223), (2155, 9603), (3201, 6465), (3879, 5335), (4365, 4741)]