20964828

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{91951}}^1$

素因数の和:91977

約数の個数: 24

約数和(自身を含む): 51493120

約数和(自身を除く): 30528292

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 114, 228, 91951, 183902, 275853, 367804, 551706, 1103412, 1747069, 3494138, 5241207, 6988276, 10482414, 20964828]

約数ペア:

[(1, 20964828), (2, 10482414), (3, 6988276), (4, 5241207), (6, 3494138), (12, 1747069), (19, 1103412), (38, 551706), (57, 367804), (76, 275853), (114, 183902), (228, 91951)]