20431424

素因数分解:

$2^6\times {\mathrm{13}}^2\times {\mathrm{1889}}^1$

素因数の和:1927

約数の個数: 42

約数和(自身を含む): 43925490

約数和(自身を除く): 23494066

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 169, 208, 338, 416, 676, 832, 1352, 1889, 2704, 3778, 5408, 7556, 10816, 15112, 24557, 30224, 49114, 60448, 98228, 120896, 196456, 319241, 392912, 638482, 785824, 1276964, 1571648, 2553928, 5107856, 10215712, 20431424]

約数ペア:

[(1, 20431424), (2, 10215712), (4, 5107856), (8, 2553928), (13, 1571648), (16, 1276964), (26, 785824), (32, 638482), (52, 392912), (64, 319241), (104, 196456), (169, 120896), (208, 98228), (338, 60448), (416, 49114), (676, 30224), (832, 24557), (1352, 15112), (1889, 10816), (2704, 7556), (3778, 5408)]