20422311

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{313}}^1$

素因数の和:575

約数の個数: 32

約数和(自身を含む): 33761280

約数和(自身を除く): 13338969

約数列:

[1, 3, 7, 13, 21, 39, 91, 239, 273, 313, 717, 939, 1673, 2191, 3107, 4069, 5019, 6573, 9321, 12207, 21749, 28483, 65247, 74807, 85449, 224421, 523649, 972491, 1570947, 2917473, 6807437, 20422311]

約数ペア:

[(1, 20422311), (3, 6807437), (7, 2917473), (13, 1570947), (21, 972491), (39, 523649), (91, 224421), (239, 85449), (273, 74807), (313, 65247), (717, 28483), (939, 21749), (1673, 12207), (2191, 9321), (3107, 6573), (4069, 5019)]