20198165764

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^2\times {\mathrm{27733}}^1$

素因数の和:27837

約数の個数: 72

約数和(自身を含む): 43704346560

約数和(自身を除く): 23506180796

約数列:

[1, 2, 4, 7, 14, 19, 28, 37, 38, 74, 76, 133, 148, 259, 266, 518, 532, 703, 1036, 1369, 1406, 2738, 2812, 4921, 5476, 9583, 9842, 19166, 19684, 26011, 27733, 38332, 52022, 55466, 104044, 110932, 182077, 194131, 364154, 388262, 526927, 728308, 776524, 1026121, 1053854, 2052242, 2107708, 3688489, 4104484, 7182847, 7376978, 14365694, 14753956, 19496299, 28731388, 37966477, 38992598, 75932954, 77985196, 136474093, 151865908, 265765339, 272948186, 531530678, 545896372, 721363063, 1063061356, 1442726126, 2885452252, 5049541441, 10099082882, 20198165764]

約数ペア:

[(1, 20198165764), (2, 10099082882), (4, 5049541441), (7, 2885452252), (14, 1442726126), (19, 1063061356), (28, 721363063), (37, 545896372), (38, 531530678), (74, 272948186), (76, 265765339), (133, 151865908), (148, 136474093), (259, 77985196), (266, 75932954), (518, 38992598), (532, 37966477), (703, 28731388), (1036, 19496299), (1369, 14753956), (1406, 14365694), (2738, 7376978), (2812, 7182847), (4921, 4104484), (5476, 3688489), (9583, 2107708), (9842, 2052242), (19166, 1053854), (19684, 1026121), (26011, 776524), (27733, 728308), (38332, 526927), (52022, 388262), (55466, 364154), (104044, 194131), (110932, 182077)]