20898219601

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{197}}^2\times {\mathrm{1789}}^1$

素因数の和:2233

約数の個数: 24

約数和(自身を含む): 24577530560

約数和(自身を除く): 3679310959

約数列:

[1, 7, 43, 197, 301, 1379, 1789, 8471, 12523, 38809, 59297, 76927, 271663, 352433, 538489, 1668787, 2467031, 11681509, 15154619, 69429301, 106082333, 486005107, 2985459943, 20898219601]

約数ペア:

[(1, 20898219601), (7, 2985459943), (43, 486005107), (197, 106082333), (301, 69429301), (1379, 15154619), (1789, 11681509), (8471, 2467031), (12523, 1668787), (38809, 538489), (59297, 352433), (76927, 271663)]