20337753

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{4261}}^1$

素因数の和:4344

約数の個数: 16

約数和(自身を含む): 28504256

約数和(自身を除く): 8166503

約数列:

[1, 3, 37, 43, 111, 129, 1591, 4261, 4773, 12783, 157657, 183223, 472971, 549669, 6779251, 20337753]

約数ペア:

[(1, 20337753), (3, 6779251), (37, 549669), (43, 472971), (111, 183223), (129, 157657), (1591, 12783), (4261, 4773)]