20109366

素因数分解:

$2^1\times 3^2\times {\mathrm{53}}^1\times {\mathrm{107}}^1\times {\mathrm{197}}^1$

素因数の和:365

約数の個数: 48

約数和(自身を含む): 45034704

約数和(自身を除く): 24925338

約数列:

[1, 2, 3, 6, 9, 18, 53, 106, 107, 159, 197, 214, 318, 321, 394, 477, 591, 642, 954, 963, 1182, 1773, 1926, 3546, 5671, 10441, 11342, 17013, 20882, 21079, 31323, 34026, 42158, 51039, 62646, 63237, 93969, 102078, 126474, 187938, 189711, 379422, 1117187, 2234374, 3351561, 6703122, 10054683, 20109366]

約数ペア:

[(1, 20109366), (2, 10054683), (3, 6703122), (6, 3351561), (9, 2234374), (18, 1117187), (53, 379422), (106, 189711), (107, 187938), (159, 126474), (197, 102078), (214, 93969), (318, 63237), (321, 62646), (394, 51039), (477, 42158), (591, 34026), (642, 31323), (954, 21079), (963, 20882), (1182, 17013), (1773, 11342), (1926, 10441), (3546, 5671)]