20160919009

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{1607}}^1\times {\mathrm{2671}}^1$

素因数の和:4357

約数の個数: 32

約数和(自身を含む): 25573220352

約数和(自身を除く): 5412301343

約数列:

[1, 7, 11, 61, 77, 427, 671, 1607, 2671, 4697, 11249, 17677, 18697, 29381, 98027, 123739, 162931, 205667, 686189, 1078297, 1140517, 1792241, 4292297, 7548079, 12545687, 30046079, 47215267, 261830117, 330506869, 1832810819, 2880131287, 20160919009]

約数ペア:

[(1, 20160919009), (7, 2880131287), (11, 1832810819), (61, 330506869), (77, 261830117), (427, 47215267), (671, 30046079), (1607, 12545687), (2671, 7548079), (4697, 4292297), (11249, 1792241), (17677, 1140517), (18697, 1078297), (29381, 686189), (98027, 205667), (123739, 162931)]