20034212

素因数分解:

$2^2\times {\mathrm{11}}^3\times {\mathrm{53}}^1\times {\mathrm{71}}^1$

素因数の和:161

約数の個数: 48

約数和(自身を含む): 39844224

約数和(自身を除く): 19810012

約数列:

[1, 2, 4, 11, 22, 44, 53, 71, 106, 121, 142, 212, 242, 284, 484, 583, 781, 1166, 1331, 1562, 2332, 2662, 3124, 3763, 5324, 6413, 7526, 8591, 12826, 15052, 17182, 25652, 34364, 41393, 70543, 82786, 94501, 141086, 165572, 189002, 282172, 378004, 455323, 910646, 1821292, 5008553, 10017106, 20034212]

約数ペア:

[(1, 20034212), (2, 10017106), (4, 5008553), (11, 1821292), (22, 910646), (44, 455323), (53, 378004), (71, 282172), (106, 189002), (121, 165572), (142, 141086), (212, 94501), (242, 82786), (284, 70543), (484, 41393), (583, 34364), (781, 25652), (1166, 17182), (1331, 15052), (1562, 12826), (2332, 8591), (2662, 7526), (3124, 6413), (3763, 5324)]