20771028

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{30367}}^1$

素因数の和:30396

約数の個数: 36

約数和(自身を含む): 55269760

約数和(自身を除く): 34498732

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 228, 342, 684, 30367, 60734, 91101, 121468, 182202, 273303, 364404, 546606, 576973, 1093212, 1153946, 1730919, 2307892, 3461838, 5192757, 6923676, 10385514, 20771028]

約数ペア:

[(1, 20771028), (2, 10385514), (3, 6923676), (4, 5192757), (6, 3461838), (9, 2307892), (12, 1730919), (18, 1153946), (19, 1093212), (36, 576973), (38, 546606), (57, 364404), (76, 273303), (114, 182202), (171, 121468), (228, 91101), (342, 60734), (684, 30367)]