20664324

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{30211}}^1$

素因数の和:30240

約数の個数: 36

約数和(自身を含む): 54985840

約数和(自身を除く): 34321516

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 228, 342, 684, 30211, 60422, 90633, 120844, 181266, 271899, 362532, 543798, 574009, 1087596, 1148018, 1722027, 2296036, 3444054, 5166081, 6888108, 10332162, 20664324]

約数ペア:

[(1, 20664324), (2, 10332162), (3, 6888108), (4, 5166081), (6, 3444054), (9, 2296036), (12, 1722027), (18, 1148018), (19, 1087596), (36, 574009), (38, 543798), (57, 362532), (76, 271899), (114, 181266), (171, 120844), (228, 90633), (342, 60422), (684, 30211)]