20388971

素因数分解:

${\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{101}}^1\times {\mathrm{131}}^1$

素因数の和:322

約数の個数: 16

約数和(自身を含む): 21973248

約数和(自身を除く): 1584277

約数列:

[1, 23, 67, 101, 131, 1541, 2323, 3013, 6767, 8777, 13231, 155641, 201871, 304313, 886477, 20388971]

約数ペア:

[(1, 20388971), (23, 886477), (67, 304313), (101, 201871), (131, 155641), (1541, 13231), (2323, 8777), (3013, 6767)]