20146985865

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{199}}^1\times {\mathrm{52321}}^1$

素因数の和:52574

約数の個数: 48

約数和(自身を含む): 35913820800

約数和(自身を除く): 15766834935

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 199, 215, 387, 597, 645, 995, 1791, 1935, 2985, 8557, 8955, 25671, 42785, 52321, 77013, 128355, 156963, 261605, 385065, 470889, 784815, 2249803, 2354445, 6749409, 10411879, 11249015, 20248227, 31235637, 33747045, 52059395, 93706911, 101241135, 156178185, 447710797, 468534555, 1343132391, 2238553985, 4029397173, 6715661955, 20146985865]

約数ペア:

[(1, 20146985865), (3, 6715661955), (5, 4029397173), (9, 2238553985), (15, 1343132391), (43, 468534555), (45, 447710797), (129, 156178185), (199, 101241135), (215, 93706911), (387, 52059395), (597, 33747045), (645, 31235637), (995, 20248227), (1791, 11249015), (1935, 10411879), (2985, 6749409), (8557, 2354445), (8955, 2249803), (25671, 784815), (42785, 470889), (52321, 385065), (77013, 261605), (128355, 156963)]