20201477985

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1777}}^1\times {\mathrm{19433}}^1$

素因数の和:21234

約数の個数: 48

約数和(自身を含む): 37732587984

約数和(自身を除く): 17531109999

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 585, 1777, 5331, 8885, 15993, 19433, 23101, 26655, 58299, 69303, 79965, 97165, 115505, 174897, 207909, 252629, 291495, 346515, 757887, 874485, 1039545, 1263145, 2273661, 3789435, 11368305, 34532441, 103597323, 172662205, 310791969, 448921733, 517986615, 1346765199, 1553959845, 2244608665, 4040295597, 6733825995, 20201477985]

約数ペア:

[(1, 20201477985), (3, 6733825995), (5, 4040295597), (9, 2244608665), (13, 1553959845), (15, 1346765199), (39, 517986615), (45, 448921733), (65, 310791969), (117, 172662205), (195, 103597323), (585, 34532441), (1777, 11368305), (5331, 3789435), (8885, 2273661), (15993, 1263145), (19433, 1039545), (23101, 874485), (26655, 757887), (58299, 346515), (69303, 291495), (79965, 252629), (97165, 207909), (115505, 174897)]