20509422

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{331}}^1\times {\mathrm{449}}^1$

素因数の和:808

約数の個数: 32

約数和(自身を含む): 43027200

約数和(自身を除く): 22517778

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 331, 449, 662, 898, 993, 1347, 1986, 2694, 7613, 10327, 15226, 20654, 22839, 30981, 45678, 61962, 148619, 297238, 445857, 891714, 3418237, 6836474, 10254711, 20509422]

約数ペア:

[(1, 20509422), (2, 10254711), (3, 6836474), (6, 3418237), (23, 891714), (46, 445857), (69, 297238), (138, 148619), (331, 61962), (449, 45678), (662, 30981), (898, 22839), (993, 20654), (1347, 15226), (1986, 10327), (2694, 7613)]