20163755

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{271}}^1\times {\mathrm{647}}^1$

素因数の和:946

約数の個数: 16

約数和(自身を含む): 25380864

約数和(自身を除く): 5217109

約数列:

[1, 5, 23, 115, 271, 647, 1355, 3235, 6233, 14881, 31165, 74405, 175337, 876685, 4032751, 20163755]

約数ペア:

[(1, 20163755), (5, 4032751), (23, 876685), (115, 175337), (271, 74405), (647, 31165), (1355, 14881), (3235, 6233)]