20853753

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{1163}}^1$

素因数の和:1348

約数の個数: 16

約数和(自身を含む): 28680960

約数和(自身を除く): 7827207

約数列:

[1, 3, 43, 129, 139, 417, 1163, 3489, 5977, 17931, 50009, 150027, 161657, 484971, 6951251, 20853753]

約数ペア:

[(1, 20853753), (3, 6951251), (43, 484971), (129, 161657), (139, 150027), (417, 50009), (1163, 17931), (3489, 5977)]