20187628

素因数分解:

$2^2\times {\mathrm{47}}^1\times {\mathrm{167}}^1\times {\mathrm{643}}^1$

素因数の和:861

約数の個数: 24

約数和(自身を含む): 36352512

約数和(自身を除く): 16164884

約数列:

[1, 2, 4, 47, 94, 167, 188, 334, 643, 668, 1286, 2572, 7849, 15698, 30221, 31396, 60442, 107381, 120884, 214762, 429524, 5046907, 10093814, 20187628]

約数ペア:

[(1, 20187628), (2, 10093814), (4, 5046907), (47, 429524), (94, 214762), (167, 120884), (188, 107381), (334, 60442), (643, 31396), (668, 30221), (1286, 15698), (2572, 7849)]