20280491248

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{30915383}}^1$

素因数の和:30915432

約数の個数: 20

約数和(自身を含む): 40251829968

約数和(自身を除く): 19971338720

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 30915383, 61830766, 123661532, 247323064, 494646128, 1267530703, 2535061406, 5070122812, 10140245624, 20280491248]

約数ペア:

[(1, 20280491248), (2, 10140245624), (4, 5070122812), (8, 2535061406), (16, 1267530703), (41, 494646128), (82, 247323064), (164, 123661532), (328, 61830766), (656, 30915383)]