20803740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{3181}}^1$

素因数の和:3302

約数の個数: 48

約数和(自身を含む): 58803360

約数和(自身を除く): 37999620

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 109, 218, 327, 436, 545, 654, 1090, 1308, 1635, 2180, 3181, 3270, 6362, 6540, 9543, 12724, 15905, 19086, 31810, 38172, 47715, 63620, 95430, 190860, 346729, 693458, 1040187, 1386916, 1733645, 2080374, 3467290, 4160748, 5200935, 6934580, 10401870, 20803740]

約数ペア:

[(1, 20803740), (2, 10401870), (3, 6934580), (4, 5200935), (5, 4160748), (6, 3467290), (10, 2080374), (12, 1733645), (15, 1386916), (20, 1040187), (30, 693458), (60, 346729), (109, 190860), (218, 95430), (327, 63620), (436, 47715), (545, 38172), (654, 31810), (1090, 19086), (1308, 15905), (1635, 12724), (2180, 9543), (3181, 6540), (3270, 6362)]