20407754

素因数分解:

$2^1\times {\mathrm{79}}^1\times {\mathrm{227}}^1\times {\mathrm{569}}^1$

素因数の和:877

約数の個数: 16

約数和(自身を含む): 31190400

約数和(自身を除く): 10782646

約数列:

[1, 2, 79, 158, 227, 454, 569, 1138, 17933, 35866, 44951, 89902, 129163, 258326, 10203877, 20407754]

約数ペア:

[(1, 20407754), (2, 10203877), (79, 258326), (158, 129163), (227, 89902), (454, 44951), (569, 35866), (1138, 17933)]