20123640004

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{8999839}}^1$

素因数の和:8999899

約数の個数: 24

約数和(自身を含む): 38807310080

約数和(自身を除く): 18683670076

約数列:

[1, 2, 4, 13, 26, 43, 52, 86, 172, 559, 1118, 2236, 8999839, 17999678, 35999356, 116997907, 233995814, 386993077, 467991628, 773986154, 1547972308, 5030910001, 10061820002, 20123640004]

約数ペア:

[(1, 20123640004), (2, 10061820002), (4, 5030910001), (13, 1547972308), (26, 773986154), (43, 467991628), (52, 386993077), (86, 233995814), (172, 116997907), (559, 35999356), (1118, 17999678), (2236, 8999839)]