20907608

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{227}}^1\times {\mathrm{397}}^1$

素因数の和:659

約数の個数: 32

約数和(自身を含む): 40834800

約数和(自身を除く): 19927192

約数列:

[1, 2, 4, 8, 29, 58, 116, 227, 232, 397, 454, 794, 908, 1588, 1816, 3176, 6583, 11513, 13166, 23026, 26332, 46052, 52664, 90119, 92104, 180238, 360476, 720952, 2613451, 5226902, 10453804, 20907608]

約数ペア:

[(1, 20907608), (2, 10453804), (4, 5226902), (8, 2613451), (29, 720952), (58, 360476), (116, 180238), (227, 92104), (232, 90119), (397, 52664), (454, 46052), (794, 26332), (908, 23026), (1588, 13166), (1816, 11513), (3176, 6583)]