22720360

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{3361}}^1$

素因数の和:3398

約数の個数: 48

約数和(自身を含む): 55372140

約数和(自身を除く): 32651780

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 260, 338, 520, 676, 845, 1352, 1690, 3361, 3380, 6722, 6760, 13444, 16805, 26888, 33610, 43693, 67220, 87386, 134440, 174772, 218465, 349544, 436930, 568009, 873860, 1136018, 1747720, 2272036, 2840045, 4544072, 5680090, 11360180, 22720360]

約数ペア:

[(1, 22720360), (2, 11360180), (4, 5680090), (5, 4544072), (8, 2840045), (10, 2272036), (13, 1747720), (20, 1136018), (26, 873860), (40, 568009), (52, 436930), (65, 349544), (104, 218465), (130, 174772), (169, 134440), (260, 87386), (338, 67220), (520, 43693), (676, 33610), (845, 26888), (1352, 16805), (1690, 13444), (3361, 6760), (3380, 6722)]