20078768

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{73819}}^1$

素因数の和:73844

約数の個数: 20

約数和(自身を含む): 41191560

約数和(自身を除く): 21112792

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 73819, 147638, 295276, 590552, 1181104, 1254923, 2509846, 5019692, 10039384, 20078768]

約数ペア:

[(1, 20078768), (2, 10039384), (4, 5019692), (8, 2509846), (16, 1254923), (17, 1181104), (34, 590552), (68, 295276), (136, 147638), (272, 73819)]