20573517

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{2539}}^1$

素因数の和:2652

約数の個数: 16

約数和(自身を含む): 28569920

約数和(自身を除く): 7996403

約数列:

[1, 3, 37, 73, 111, 219, 2539, 2701, 7617, 8103, 93943, 185347, 281829, 556041, 6857839, 20573517]

約数ペア:

[(1, 20573517), (3, 6857839), (37, 556041), (73, 281829), (111, 185347), (219, 93943), (2539, 8103), (2701, 7617)]