20687674

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{86923}}^1$

素因数の和:86949

約数の個数: 16

約数和(自身を含む): 37551168

約数和(自身を除く): 16863494

約数列:

[1, 2, 7, 14, 17, 34, 119, 238, 86923, 173846, 608461, 1216922, 1477691, 2955382, 10343837, 20687674]

約数ペア:

[(1, 20687674), (2, 10343837), (7, 2955382), (14, 1477691), (17, 1216922), (34, 608461), (119, 173846), (238, 86923)]