20779920008

素因数分解:

$2^3\times {\mathrm{239}}^1\times {\mathrm{10868159}}^1$

素因数の和:10868404

約数の個数: 16

約数和(自身を含む): 39125376000

約数和(自身を除く): 18345455992

約数列:

[1, 2, 4, 8, 239, 478, 956, 1912, 10868159, 21736318, 43472636, 86945272, 2597490001, 5194980002, 10389960004, 20779920008]

約数ペア:

[(1, 20779920008), (2, 10389960004), (4, 5194980002), (8, 2597490001), (239, 86945272), (478, 43472636), (956, 21736318), (1912, 10868159)]