20147986768

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{13837903}}^1$

素因数の和:13837931

約数の個数: 40

約数和(自身を含む): 48045202688

約数和(自身を除く): 27897215920

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 13837903, 27675806, 55351612, 96865321, 110703224, 179892739, 193730642, 221406448, 359785478, 387461284, 719570956, 774922568, 1259249173, 1439141912, 1549845136, 2518498346, 2878283824, 5036996692, 10073993384, 20147986768]

約数ペア:

[(1, 20147986768), (2, 10073993384), (4, 5036996692), (7, 2878283824), (8, 2518498346), (13, 1549845136), (14, 1439141912), (16, 1259249173), (26, 774922568), (28, 719570956), (52, 387461284), (56, 359785478), (91, 221406448), (104, 193730642), (112, 179892739), (182, 110703224), (208, 96865321), (364, 55351612), (728, 27675806), (1456, 13837903)]