20191777191

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{4483}}^1\times {\mathrm{17257}}^1$

素因数の和:21775

約数の個数: 24

約数和(自身を含む): 30180100080

約数和(自身を除く): 9988322889

約数列:

[1, 3, 9, 29, 87, 261, 4483, 13449, 17257, 40347, 51771, 130007, 155313, 390021, 500453, 1170063, 1501359, 4504077, 77363131, 232089393, 696268179, 2243530799, 6730592397, 20191777191]

約数ペア:

[(1, 20191777191), (3, 6730592397), (9, 2243530799), (29, 696268179), (87, 232089393), (261, 77363131), (4483, 4504077), (13449, 1501359), (17257, 1170063), (40347, 500453), (51771, 390021), (130007, 155313)]