20759024

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{211}}^1$

素因数の和:286

約数の個数: 80

約数和(自身を含む): 48580224

約数和(自身を除く): 27821200

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 43, 44, 52, 86, 88, 104, 143, 172, 176, 208, 211, 286, 344, 422, 473, 559, 572, 688, 844, 946, 1118, 1144, 1688, 1892, 2236, 2288, 2321, 2743, 3376, 3784, 4472, 4642, 5486, 6149, 7568, 8944, 9073, 9284, 10972, 12298, 18146, 18568, 21944, 24596, 30173, 36292, 37136, 43888, 49192, 60346, 72584, 98384, 99803, 117949, 120692, 145168, 199606, 235898, 241384, 399212, 471796, 482768, 798424, 943592, 1297439, 1596848, 1887184, 2594878, 5189756, 10379512, 20759024]

約数ペア:

[(1, 20759024), (2, 10379512), (4, 5189756), (8, 2594878), (11, 1887184), (13, 1596848), (16, 1297439), (22, 943592), (26, 798424), (43, 482768), (44, 471796), (52, 399212), (86, 241384), (88, 235898), (104, 199606), (143, 145168), (172, 120692), (176, 117949), (208, 99803), (211, 98384), (286, 72584), (344, 60346), (422, 49192), (473, 43888), (559, 37136), (572, 36292), (688, 30173), (844, 24596), (946, 21944), (1118, 18568), (1144, 18146), (1688, 12298), (1892, 10972), (2236, 9284), (2288, 9073), (2321, 8944), (2743, 7568), (3376, 6149), (3784, 5486), (4472, 4642)]