20163856867

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{39671}}^1$

素因数の和:39760

約数の個数: 48

約数和(自身を含む): 27352733184

約数和(自身を除く): 7188876317

約数列:

[1, 7, 11, 23, 41, 49, 77, 161, 253, 287, 451, 539, 943, 1127, 1771, 2009, 3157, 6601, 10373, 12397, 22099, 39671, 46207, 72611, 277697, 436381, 508277, 912433, 1626511, 1943879, 3054667, 6387031, 10036763, 11385577, 17891621, 21382669, 37409753, 44709217, 70257341, 79699039, 125241347, 261868271, 411507283, 491801387, 876689429, 1833077897, 2880550981, 20163856867]

約数ペア:

[(1, 20163856867), (7, 2880550981), (11, 1833077897), (23, 876689429), (41, 491801387), (49, 411507283), (77, 261868271), (161, 125241347), (253, 79699039), (287, 70257341), (451, 44709217), (539, 37409753), (943, 21382669), (1127, 17891621), (1771, 11385577), (2009, 10036763), (3157, 6387031), (6601, 3054667), (10373, 1943879), (12397, 1626511), (22099, 912433), (39671, 508277), (46207, 436381), (72611, 277697)]