20513463

素因数分解:

$3^1\times {\mathrm{97}}^1\times {\mathrm{157}}^1\times {\mathrm{449}}^1$

素因数の和:706

約数の個数: 16

約数和(自身を含む): 27871200

約数和(自身を除く): 7357737

約数列:

[1, 3, 97, 157, 291, 449, 471, 1347, 15229, 43553, 45687, 70493, 130659, 211479, 6837821, 20513463]

約数ペア:

[(1, 20513463), (3, 6837821), (97, 211479), (157, 130659), (291, 70493), (449, 45687), (471, 43553), (1347, 15229)]