20938492029

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{727}}^1\times {\mathrm{105499}}^1$

素因数の和:106249

約数の個数: 32

約数和(自身を含む): 34408192000

約数和(自身を除く): 13469699971

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 727, 2181, 5089, 9451, 15267, 28353, 66157, 105499, 198471, 316497, 738493, 1371487, 2215479, 4114461, 9600409, 28801227, 76697773, 230093319, 536884411, 997071049, 1610653233, 2991213147, 6979497343, 20938492029]

約数ペア:

[(1, 20938492029), (3, 6979497343), (7, 2991213147), (13, 1610653233), (21, 997071049), (39, 536884411), (91, 230093319), (273, 76697773), (727, 28801227), (2181, 9600409), (5089, 4114461), (9451, 2215479), (15267, 1371487), (28353, 738493), (66157, 316497), (105499, 198471)]