20399460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{339991}}^1$

素因数の和:340003

約数の個数: 24

約数和(自身を含む): 57118656

約数和(自身を除く): 36719196

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 339991, 679982, 1019973, 1359964, 1699955, 2039946, 3399910, 4079892, 5099865, 6799820, 10199730, 20399460]

約数ペア:

[(1, 20399460), (2, 10199730), (3, 6799820), (4, 5099865), (5, 4079892), (6, 3399910), (10, 2039946), (12, 1699955), (15, 1359964), (20, 1019973), (30, 679982), (60, 339991)]