20711193

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{2819}}^1$

素因数の和:2932

約数の個数: 16

約数和(自身を含む): 28876800

約数和(自身を除く): 8165607

約数列:

[1, 3, 31, 79, 93, 237, 2449, 2819, 7347, 8457, 87389, 222701, 262167, 668103, 6903731, 20711193]

約数ペア:

[(1, 20711193), (3, 6903731), (31, 668103), (79, 262167), (93, 222701), (237, 87389), (2449, 8457), (2819, 7347)]