20197870832

素因数分解:

$2^4\times {\mathrm{10957}}^1\times {\mathrm{115211}}^1$

素因数の和:126176

約数の個数: 20

約数和(自身を含む): 39137285976

約数和(自身を除く): 18939415144

約数列:

[1, 2, 4, 8, 16, 10957, 21914, 43828, 87656, 115211, 175312, 230422, 460844, 921688, 1843376, 1262366927, 2524733854, 5049467708, 10098935416, 20197870832]

約数ペア:

[(1, 20197870832), (2, 10098935416), (4, 5049467708), (8, 2524733854), (16, 1262366927), (10957, 1843376), (21914, 921688), (43828, 460844), (87656, 230422), (115211, 175312)]