20717751933

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{601}}^1\times {\mathrm{739}}^1$

素因数の和:1490

約数の個数: 48

約数和(自身を含む): 30855726720

約数和(自身を除く): 10137974787

約数列:

[1, 3, 9, 71, 73, 213, 219, 601, 639, 657, 739, 1803, 2217, 5183, 5409, 6651, 15549, 42671, 43873, 46647, 52469, 53947, 128013, 131619, 157407, 161841, 384039, 394857, 444139, 472221, 485523, 1332417, 3114983, 3830237, 3997251, 9344949, 11490711, 28034847, 31533869, 32422147, 34472133, 94601607, 97266441, 283804821, 291799323, 2301972437, 6905917311, 20717751933]

約数ペア:

[(1, 20717751933), (3, 6905917311), (9, 2301972437), (71, 291799323), (73, 283804821), (213, 97266441), (219, 94601607), (601, 34472133), (639, 32422147), (657, 31533869), (739, 28034847), (1803, 11490711), (2217, 9344949), (5183, 3997251), (5409, 3830237), (6651, 3114983), (15549, 1332417), (42671, 485523), (43873, 472221), (46647, 444139), (52469, 394857), (53947, 384039), (128013, 161841), (131619, 157407)]