20131489154

素因数分解:

$2^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{27131387}}^1$

素因数の和:27131449

約数の個数: 16

約数和(自身を含む): 35162278848

約数和(自身を除く): 15030789694

約数列:

[1, 2, 7, 14, 53, 106, 371, 742, 27131387, 54262774, 189919709, 379839418, 1437963511, 2875927022, 10065744577, 20131489154]

約数ペア:

[(1, 20131489154), (2, 10065744577), (7, 2875927022), (14, 1437963511), (53, 379839418), (106, 189919709), (371, 54262774), (742, 27131387)]