20538168

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{122251}}^1$

素因数の和:122267

約数の個数: 32

約数和(自身を含む): 58680960

約数和(自身を除く): 38142792

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 122251, 244502, 366753, 489004, 733506, 855757, 978008, 1467012, 1711514, 2567271, 2934024, 3423028, 5134542, 6846056, 10269084, 20538168]

約数ペア:

[(1, 20538168), (2, 10269084), (3, 6846056), (4, 5134542), (6, 3423028), (7, 2934024), (8, 2567271), (12, 1711514), (14, 1467012), (21, 978008), (24, 855757), (28, 733506), (42, 489004), (56, 366753), (84, 244502), (168, 122251)]