20968146

素因数分解:

$2^1\times 3^4\times {\mathrm{71}}^1\times {\mathrm{1823}}^1$

素因数の和:1908

約数の個数: 40

約数和(自身を含む): 47672064

約数和(自身を除く): 26703918

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 71, 81, 142, 162, 213, 426, 639, 1278, 1823, 1917, 3646, 3834, 5469, 5751, 10938, 11502, 16407, 32814, 49221, 98442, 129433, 147663, 258866, 295326, 388299, 776598, 1164897, 2329794, 3494691, 6989382, 10484073, 20968146]

約数ペア:

[(1, 20968146), (2, 10484073), (3, 6989382), (6, 3494691), (9, 2329794), (18, 1164897), (27, 776598), (54, 388299), (71, 295326), (81, 258866), (142, 147663), (162, 129433), (213, 98442), (426, 49221), (639, 32814), (1278, 16407), (1823, 11502), (1917, 10938), (3646, 5751), (3834, 5469)]