20144090916

素因数分解:

$2^2\times 3^2\times {\mathrm{1999}}^1\times {\mathrm{279919}}^1$

素因数の和:281928

約数の個数: 36

約数和(自身を含む): 50945440000

約数和(自身を除く): 30801349084

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 1999, 3998, 5997, 7996, 11994, 17991, 23988, 35982, 71964, 279919, 559838, 839757, 1119676, 1679514, 2519271, 3359028, 5038542, 10077084, 559558081, 1119116162, 1678674243, 2238232324, 3357348486, 5036022729, 6714696972, 10072045458, 20144090916]

約数ペア:

[(1, 20144090916), (2, 10072045458), (3, 6714696972), (4, 5036022729), (6, 3357348486), (9, 2238232324), (12, 1678674243), (18, 1119116162), (36, 559558081), (1999, 10077084), (3998, 5038542), (5997, 3359028), (7996, 2519271), (11994, 1679514), (17991, 1119676), (23988, 839757), (35982, 559838), (71964, 279919)]