47220020

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{54907}}^1$

素因数の和:54959

約数の個数: 24

約数和(自身を含む): 101469984

約数和(自身を除く): 54249964

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 54907, 109814, 219628, 274535, 549070, 1098140, 2361001, 4722002, 9444004, 11805005, 23610010, 47220020]

約数ペア:

[(1, 47220020), (2, 23610010), (4, 11805005), (5, 9444004), (10, 4722002), (20, 2361001), (43, 1098140), (86, 549070), (172, 274535), (215, 219628), (430, 109814), (860, 54907)]