20455428

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{243517}}^1$

素因数の和:243531

約数の個数: 24

約数和(自身を含む): 54548032

約数和(自身を除く): 34092604

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 243517, 487034, 730551, 974068, 1461102, 1704619, 2922204, 3409238, 5113857, 6818476, 10227714, 20455428]

約数ペア:

[(1, 20455428), (2, 10227714), (3, 6818476), (4, 5113857), (6, 3409238), (7, 2922204), (12, 1704619), (14, 1461102), (21, 974068), (28, 730551), (42, 487034), (84, 243517)]