20814130

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{26347}}^1$

素因数の和:26433

約数の個数: 16

約数和(自身を含む): 37941120

約数和(自身を除く): 17126990

約数列:

[1, 2, 5, 10, 79, 158, 395, 790, 26347, 52694, 131735, 263470, 2081413, 4162826, 10407065, 20814130]

約数ペア:

[(1, 20814130), (2, 10407065), (5, 4162826), (10, 2081413), (79, 263470), (158, 131735), (395, 52694), (790, 26347)]