20124719984

素因数分解:

$2^4\times {\mathrm{19501}}^1\times {\mathrm{64499}}^1$

素因数の和:84008

約数の個数: 20

約数和(自身を含む): 38994249000

約数和(自身を除く): 18869529016

約数列:

[1, 2, 4, 8, 16, 19501, 39002, 64499, 78004, 128998, 156008, 257996, 312016, 515992, 1031984, 1257794999, 2515589998, 5031179996, 10062359992, 20124719984]

約数ペア:

[(1, 20124719984), (2, 10062359992), (4, 5031179996), (8, 2515589998), (16, 1257794999), (19501, 1031984), (39002, 515992), (64499, 312016), (78004, 257996), (128998, 156008)]