20005772508

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{229}}^1\times {\mathrm{105509}}^1$

素因数の和:105771

約数の個数: 72

約数和(自身を含む): 52999783200

約数和(自身を除く): 32994010692

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 92, 138, 207, 229, 276, 414, 458, 687, 828, 916, 1374, 2061, 2748, 4122, 5267, 8244, 10534, 15801, 21068, 31602, 47403, 63204, 94806, 105509, 189612, 211018, 316527, 422036, 633054, 949581, 1266108, 1899162, 2426707, 3798324, 4853414, 7280121, 9706828, 14560242, 21840363, 24161561, 29120484, 43680726, 48323122, 72484683, 87361452, 96646244, 144969366, 217454049, 289938732, 434908098, 555715903, 869816196, 1111431806, 1667147709, 2222863612, 3334295418, 5001443127, 6668590836, 10002886254, 20005772508]

約数ペア:

[(1, 20005772508), (2, 10002886254), (3, 6668590836), (4, 5001443127), (6, 3334295418), (9, 2222863612), (12, 1667147709), (18, 1111431806), (23, 869816196), (36, 555715903), (46, 434908098), (69, 289938732), (92, 217454049), (138, 144969366), (207, 96646244), (229, 87361452), (276, 72484683), (414, 48323122), (458, 43680726), (687, 29120484), (828, 24161561), (916, 21840363), (1374, 14560242), (2061, 9706828), (2748, 7280121), (4122, 4853414), (5267, 3798324), (8244, 2426707), (10534, 1899162), (15801, 1266108), (21068, 949581), (31602, 633054), (47403, 422036), (63204, 316527), (94806, 211018), (105509, 189612)]